22801606490 has 32 divisors (see below), whose sum is σ = 46800043920. Its totient is φ = 7923815424.

The previous prime is 22801606481. The next prime is 22801606501. The reversal of 22801606490 is 9460610822.

It can be written as a sum of positive squares in 8 ways, for example, as 13606522609 + 9195083881 = 116647^2 + 95891^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5156525 + ... + 5160944.

Almost surely, 2^22801606490 is an apocalyptic number.

22801606490 is an abundant number, since it is smaller than the sum of its proper divisors (23998437430).

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

22801606490 is a wasteful number, since it uses less digits than its factorization.

22801606490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10317506.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 22801606490 in words is "twenty-two billion, eight hundred one million, six hundred six thousand, four hundred ninety".