22025651890 has 32 divisors (see below), whose sum is σ = 43272460224. Its totient is φ = 8005237440.

The previous prime is 22025651887. The next prime is 22025651899. The reversal of 22025651890 is 9815652022.

It is not an unprimeable number, because it can be changed into a prime (22025651899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169537 + ... + 269803.

It is an arithmetic number, because the mean of its divisors is an integer number (1352264382).

Almost surely, 2^22025651890 is an apocalyptic number.

22025651890 is a deficient number, since it is larger than the sum of its proper divisors (21246808334).

22025651890 is a wasteful number, since it uses less digits than its factorization.

22025651890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102282.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 22025651890 in words is "twenty-two billion, twenty-five million, six hundred fifty-one thousand, eight hundred ninety".