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22221401241 = 313569779519
BaseRepresentation
bin10100101100011111…
…111010110010011001
32010100122111010212210
4110230133322302121
5331002134314431
614113001425333
71414444536234
oct245437726231
963318433783
1022221401241
119473446716
124381a9b249
132131990440
14110b33441b
158a0cb3d46
hex52c7fac99

22221401241 has 8 divisors (see below), whose sum is σ = 31907653120. Its totient is φ = 13674708432.

The previous prime is 22221401179. The next prime is 22221401243. The reversal of 22221401241 is 14210412222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-22221401241 is a prime.

It is a super-2 number, since 2×222214012412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221401243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284889721 + ... + 284889798.

It is an arithmetic number, because the mean of its divisors is an integer number (3988456640).

Almost surely, 222221401241 is an apocalyptic number.

It is an amenable number.

22221401241 is a deficient number, since it is larger than the sum of its proper divisors (9686251879).

22221401241 is a wasteful number, since it uses less digits than its factorization.

22221401241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569779535.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22221401241 its reverse (14210412222), we get a palindrome (36431813463).

The spelling of 22221401241 in words is "twenty-two billion, two hundred twenty-one million, four hundred one thousand, two hundred forty-one".

Divisors: 1 3 13 39 569779519 1709338557 7407133747 22221401241