151232022 has 24 divisors (see below), whose sum is σ = 339806376. Its totient is φ = 50410512.

The previous prime is 151232009. The next prime is 151232057. The reversal of 151232022 is 220232151.

It is a super-2 number, since 2×151232022² = 45742248956416968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 151231986 and 151232004.

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, 155103 + ... + 156074.

It is an arithmetic number, because the mean of its divisors is an integer number (14158599).

Almost surely, 2^151232022 is an apocalyptic number.

151232022 is an abundant number, since it is smaller than the sum of its proper divisors (188574354).

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

151232022 is an equidigital number, since it uses as much as digits as its factorization.

151232022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311194 (or 311182 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 151232022 is about 12297.6429448899. The cubic root of 151232022 is about 532.7800074675.

Adding to 151232022 its reverse (220232151), we get a palindrome (371464173).

The spelling of 151232022 in words is "one hundred fifty-one million, two hundred thirty-two thousand, twenty-two".