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2022402121 = 23412144647
BaseRepresentation
bin111100010001011…
…0110100001001001
312012221111200011021
41320202312201021
513120213331441
6532403032441
7101055064045
oct17042664111
95187450137
102022402121
11948658713
1248536b721
13262cbbc5c
1415284b025
15bc83a3d1
hex788b6849

2022402121 has 8 divisors (see below), whose sum is σ = 2161805184. Its totient is φ = 1887288480.

The previous prime is 2022402119. The next prime is 2022402131. The reversal of 2022402121 is 1212042202.

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

It is a cyclic number.

It is not a de Polignac number, because 2022402121 - 21 = 2022402119 is a prime.

It is a super-2 number, since 2×20224021212 = 8180220678050597282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022402095 and 2022402104.

It is not an unprimeable number, because it can be changed into a prime (2022402131) 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, 1071381 + ... + 1073266.

It is an arithmetic number, because the mean of its divisors is an integer number (270225648).

Almost surely, 22022402121 is an apocalyptic number.

It is an amenable number.

2022402121 is a deficient number, since it is larger than the sum of its proper divisors (139403063).

2022402121 is a wasteful number, since it uses less digits than its factorization.

2022402121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144711.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2022402121 is about 44971.1254139809. The cubic root of 2022402121 is about 1264.6077451915.

Adding to 2022402121 its reverse (1212042202), we get a palindrome (3234444323).

The spelling of 2022402121 in words is "two billion, twenty-two million, four hundred two thousand, one hundred twenty-one".

Divisors: 1 23 41 943 2144647 49326881 87930527 2022402121