150222431 has 4 divisors (see below), whose sum is σ = 150339552. Its totient is φ = 150105312.

The previous prime is 150222427. The next prime is 150222433. The reversal of 150222431 is 134222051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 150222431 - 2² = 150222427 is a prime.

It is a super-2 number, since 2×150222431² = 45133557551099522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150222433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56615 + ... + 59208.

It is an arithmetic number, because the mean of its divisors is an integer number (37584888).

Almost surely, 2^150222431 is an apocalyptic number.

150222431 is a deficient number, since it is larger than the sum of its proper divisors (117121).

150222431 is a wasteful number, since it uses less digits than its factorization.

150222431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117120.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 150222431 is about 12256.5260575744. The cubic root of 150222431 is about 531.5917862243.

Adding to 150222431 its reverse (134222051), we get a palindrome (284444482).

The spelling of 150222431 in words is "one hundred fifty million, two hundred twenty-two thousand, four hundred thirty-one".