222150531 has 16 divisors (see below), whose sum is σ = 298771200. Its totient is φ = 146820960.

The previous prime is 222150443. The next prime is 222150541. The reversal of 222150531 is 135051222.

It is not a de Polignac number, because 222150531 - 2⁷ = 222150403 is a prime.

It is a super-2 number, since 2×222150531² = 98701716847163922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222150498 and 222150507.

It is not an unprimeable number, because it can be changed into a prime (222150541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324916 + ... + 325598.

It is an arithmetic number, because the mean of its divisors is an integer number (18673200).

Almost surely, 2^222150531 is an apocalyptic number.

222150531 is a deficient number, since it is larger than the sum of its proper divisors (76620669).

222150531 is a wasteful number, since it uses less digits than its factorization.

222150531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 222150531 is about 14904.7150593361. The cubic root of 222150531 is about 605.6417214735.

The spelling of 222150531 in words is "two hundred twenty-two million, one hundred fifty thousand, five hundred thirty-one".