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3455002221 = 311211349549
BaseRepresentation
bin1100110111101111…
…0010011001101101
322220210012022001020
43031323302121231
524033440032341
61330500404353
7151422014526
oct31573623155
98823168036
103455002221
111513293340
128050a66b9
13430a43018
1424ac0784d
151534be566
hexcdef266d

3455002221 has 16 divisors (see below), whose sum is σ = 5027937600. Its totient is φ = 2092907520.

The previous prime is 3455002219. The next prime is 3455002223. The reversal of 3455002221 is 1222005543.

It is an interprime number because it is at equal distance from previous prime (3455002219) and next prime (3455002223).

It is not a de Polignac number, because 3455002221 - 21 = 3455002219 is a prime.

It is a super-2 number, since 2×34550022212 = 23874080694229865682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3455002191 and 3455002200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455002223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44955 + ... + 94503.

It is an arithmetic number, because the mean of its divisors is an integer number (314246100).

Almost surely, 23455002221 is an apocalyptic number.

It is an amenable number.

3455002221 is a deficient number, since it is larger than the sum of its proper divisors (1572935379).

3455002221 is a wasteful number, since it uses less digits than its factorization.

3455002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51676.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 3455002221 is about 58779.2669314615. The cubic root of 3455002221 is about 1511.7597455491.

Adding to 3455002221 its reverse (1222005543), we get a palindrome (4677007764).

The spelling of 3455002221 in words is "three billion, four hundred fifty-five million, two thousand, two hundred twenty-one".

Divisors: 1 3 11 33 2113 6339 23243 49549 69729 148647 545039 1635117 104697037 314091111 1151667407 3455002221