22401002022 has 32 divisors (see below), whose sum is σ = 51254052864. Its totient is φ = 6393816000.

The previous prime is 22401001969. The next prime is 22401002069. The reversal of 22401002022 is 22020010422.

It is a junction number, because it is equal to n+sod(n) for n = 22401001992 and 22401002010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227479 + ... + 310722.

It is an arithmetic number, because the mean of its divisors is an integer number (1601689152).

Almost surely, 2^22401002022 is an apocalyptic number.

22401002022 is an abundant number, since it is smaller than the sum of its proper divisors (28853050842).

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

22401002022 is a wasteful number, since it uses less digits than its factorization.

22401002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539204.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22401002022 its reverse (22020010422), we get a palindrome (44421012444).

The spelling of 22401002022 in words is "twenty-two billion, four hundred one million, two thousand, twenty-two".