3122224202421 has 8 divisors (see below), whose sum is σ = 4625517336960. Its totient is φ = 2081482801596.

The previous prime is 3122224202359. The next prime is 3122224202431. The reversal of 3122224202421 is 1242024222213.

3122224202421 is a `hidden beast` number, since 3 + 12 + 2 + 2 + 24 + 202 + 421 = 666.

It is not a de Polignac number, because 3122224202421 - 2¹⁵ = 3122224169653 is a prime.

It is a super-2 number, since 2×3122224202421² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 115637933423 = 3122224202421 / (3 + 1 + 2 + 2 + 2 + 2 + 4 + 2 + 0 + 2 + 4 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122224202431) 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, 57818966685 + ... + 57818966738.

It is an arithmetic number, because the mean of its divisors is an integer number (578189667120).

Almost surely, 2^{3122224202421} is an apocalyptic number.

It is an amenable number.

3122224202421 is a deficient number, since it is larger than the sum of its proper divisors (1503293134539).

3122224202421 is a wasteful number, since it uses less digits than its factorization.

3122224202421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115637933432 (or 115637933426 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 3122224202421 its reverse (1242024222213), we get a palindrome (4364248424634).

The spelling of 3122224202421 in words is "three trillion, one hundred twenty-two billion, two hundred twenty-four million, two hundred two thousand, four hundred twenty-one".