213122295 has 12 divisors (see below), whose sum is σ = 369412056. Its totient is φ = 113665200.

The previous prime is 213122281. The next prime is 213122309. The reversal of 213122295 is 592221312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (213122281) and next prime (213122309).

It is not a de Polignac number, because 213122295 - 2¹¹ = 213120247 is a prime.

It is a super-2 number, since 2×213122295² = 90842225252134050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2367981 + ... + 2368070.

It is an arithmetic number, because the mean of its divisors is an integer number (30784338).

Almost surely, 2^213122295 is an apocalyptic number.

213122295 is a deficient number, since it is larger than the sum of its proper divisors (156289761).

213122295 is a wasteful number, since it uses less digits than its factorization.

213122295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736062 (or 4736059 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 213122295 is about 14598.7086757699. The cubic root of 213122295 is about 597.3235369955.

The spelling of 213122295 in words is "two hundred thirteen million, one hundred twenty-two thousand, two hundred ninety-five".