215345534022 has 48 divisors (see below), whose sum is σ = 467873948880. Its totient is φ = 71583220800.

The previous prime is 215345534011. The next prime is 215345534023. The reversal of 215345534022 is 220435543512.

215345534022 is a `hidden beast` number, since 2 + 15 + 34 + 553 + 40 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215345534023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29785504 + ... + 29792732.

It is an arithmetic number, because the mean of its divisors is an integer number (9747373935).

Almost surely, 2^215345534022 is an apocalyptic number.

215345534022 is an abundant number, since it is smaller than the sum of its proper divisors (252528414858).

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

215345534022 is a wasteful number, since it uses less digits than its factorization.

215345534022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11589 (or 11586 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 215345534022 in words is "two hundred fifteen billion, three hundred forty-five million, five hundred thirty-four thousand, twenty-two".