215340022 has 16 divisors (see below), whose sum is σ = 334983600. Its totient is φ = 103697440.

The previous prime is 215340019. The next prime is 215340031. The reversal of 215340022 is 220043512.

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, 19872 + ... + 28732.

It is an arithmetic number, because the mean of its divisors is an integer number (20936475).

Almost surely, 2^215340022 is an apocalyptic number.

215340022 is a deficient number, since it is larger than the sum of its proper divisors (119643578).

215340022 is a wasteful number, since it uses less digits than its factorization.

215340022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 215340022 is about 14674.4683719718. The cubic root of 215340022 is about 599.3882858141.

Adding to 215340022 its reverse (220043512), we get a palindrome (435383534).

The spelling of 215340022 in words is "two hundred fifteen million, three hundred forty thousand, twenty-two".