215453423022 has 16 divisors (see below), whose sum is σ = 456254307792. Its totient is φ = 67593230720.

The previous prime is 215453422981. The next prime is 215453423071. The reversal of 215453423022 is 220324354512.

It is a super-2 number, since 2×215453423022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1056144129 + ... + 1056144332.

It is an arithmetic number, because the mean of its divisors is an integer number (28515894237).

Almost surely, 2^215453423022 is an apocalyptic number.

215453423022 is an abundant number, since it is smaller than the sum of its proper divisors (240800884770).

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

215453423022 is a wasteful number, since it uses less digits than its factorization.

215453423022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112288483.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 215453423022 its reverse (220324354512), we get a palindrome (435777777534).

The spelling of 215453423022 in words is "two hundred fifteen billion, four hundred fifty-three million, four hundred twenty-three thousand, twenty-two".