151222566 has 32 divisors (see below), whose sum is σ = 334470528. Its totient is φ = 45195840.

The previous prime is 151222537. The next prime is 151222609. The reversal of 151222566 is 665222151.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10876 + ... + 20511.

It is an arithmetic number, because the mean of its divisors is an integer number (10452204).

Almost surely, 2^151222566 is an apocalyptic number.

151222566 is an abundant number, since it is smaller than the sum of its proper divisors (183247962).

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

151222566 is a wasteful number, since it uses less digits than its factorization.

151222566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31476.

The product of its digits is 7200, while the sum is 30.

The square root of 151222566 is about 12297.2584749610. The cubic root of 151222566 is about 532.7689029569.

The spelling of 151222566 in words is "one hundred fifty-one million, two hundred twenty-two thousand, five hundred sixty-six".