2151532423022 has 16 divisors (see below), whose sum is σ = 3431805579072. Its totient is φ = 1008140409600.

The previous prime is 2151532422989. The next prime is 2151532423049. The reversal of 2151532423022 is 2203242351512.

It is a super-2 number, since 2×2151532423022² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2151532423022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135786854 + ... + 135802697.

It is an arithmetic number, because the mean of its divisors is an integer number (214487848692).

Almost surely, 2^{2151532423022} is an apocalyptic number.

2151532423022 is a deficient number, since it is larger than the sum of its proper divisors (1280273156050).

2151532423022 is a wasteful number, since it uses less digits than its factorization.

2151532423022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271589803.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 2151532423022 its reverse (2203242351512), we get a palindrome (4354774774534).

The spelling of 2151532423022 in words is "two trillion, one hundred fifty-one billion, five hundred thirty-two million, four hundred twenty-three thousand, twenty-two".