22430131221402 has 96 divisors (see below), whose sum is σ = 50380092996480. Its totient is φ = 7203737116800.

The previous prime is 22430131221347. The next prime is 22430131221467. The reversal of 22430131221402 is 20412213103422.

22430131221402 is a `hidden beast` number, since 2 + 2 + 4 + 3 + 0 + 1 + 31 + 221 + 402 = 666.

It is a super-2 number, since 2×22430131221402² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 486604668 + ... + 486650760.

It is an arithmetic number, because the mean of its divisors is an integer number (524792635380).

Almost surely, 2^{22430131221402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22430131221402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25190046498240).

22430131221402 is an abundant number, since it is smaller than the sum of its proper divisors (27949961775078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22430131221402 is a wasteful number, since it uses less digits than its factorization.

22430131221402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48068 (or 48065 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22430131221402 its reverse (20412213103422), we get a palindrome (42842344324824).

The spelling of 22430131221402 in words is "twenty-two trillion, four hundred thirty billion, one hundred thirty-one million, two hundred twenty-one thousand, four hundred two".