22154006252630 has 64 divisors (see below), whose sum is σ = 48258995650560. Its totient is φ = 7148230761984.

The previous prime is 22154006252629. The next prime is 22154006252683. The reversal of 22154006252630 is 3625260045122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12899519 + ... + 14515701.

It is an arithmetic number, because the mean of its divisors is an integer number (754046807040).

Almost surely, 2^{22154006252630} is an apocalyptic number.

22154006252630 is an abundant number, since it is smaller than the sum of its proper divisors (26104989397930).

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

22154006252630 is a wasteful number, since it uses less digits than its factorization.

22154006252630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627733.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 22154006252630 its reverse (3625260045122), we get a palindrome (25779266297752).

The spelling of 22154006252630 in words is "twenty-two trillion, one hundred fifty-four billion, six million, two hundred fifty-two thousand, six hundred thirty".