22420235412 has 72 divisors (see below), whose sum is σ = 59162725440. Its totient is φ = 7145424000.

The previous prime is 22420235407. The next prime is 22420235441. The reversal of 22420235412 is 21453202422.

22420235412 is a `hidden beast` number, since 2 + 2 + 420 + 235 + 4 + 1 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2687664 + ... + 2695992.

It is an arithmetic number, because the mean of its divisors is an integer number (821704520).

Almost surely, 2^22420235412 is an apocalyptic number.

It is an amenable number.

22420235412 is an abundant number, since it is smaller than the sum of its proper divisors (36742490028).

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

22420235412 is a wasteful number, since it uses less digits than its factorization.

22420235412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11613 (or 11608 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 22420235412 its reverse (21453202422), we get a palindrome (43873437834).

The spelling of 22420235412 in words is "twenty-two billion, four hundred twenty million, two hundred thirty-five thousand, four hundred twelve".