22201201992 has 16 divisors (see below), whose sum is σ = 55503005040. Its totient is φ = 7400400656.

The previous prime is 22201201961. The next prime is 22201201993. The reversal of 22201201992 is 29910210222.

It is a super-4 number, since 4×22201201992⁴ (a number of 42 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (22201201993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462525018 + ... + 462525065.

It is an arithmetic number, because the mean of its divisors is an integer number (3468937815).

Almost surely, 2^22201201992 is an apocalyptic number.

It is an amenable number.

22201201992 is an abundant number, since it is smaller than the sum of its proper divisors (33301803048).

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

22201201992 is a wasteful number, since it uses less digits than its factorization.

22201201992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925050092 (or 925050088 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 22201201992 in words is "twenty-two billion, two hundred one million, two hundred one thousand, nine hundred ninety-two".