151356222 has 16 divisors (see below), whose sum is σ = 336347280. Its totient is φ = 50452056.

The previous prime is 151356211. The next prime is 151356239. The reversal of 151356222 is 222653151.

It is a happy number.

151356222 is a `hidden beast` number, since 1 + 5 + 1 + 35 + 622 + 2 = 666.

It is a super-2 number, since 2×151356222² = 45817411876226568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1401393 + ... + 1401500.

It is an arithmetic number, because the mean of its divisors is an integer number (21021705).

Almost surely, 2^151356222 is an apocalyptic number.

151356222 is an abundant number, since it is smaller than the sum of its proper divisors (184991058).

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

151356222 is a wasteful number, since it uses less digits than its factorization.

151356222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802904 (or 2802898 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 151356222 is about 12302.6916567067. The cubic root of 151356222 is about 532.9258169105.

The spelling of 151356222 in words is "one hundred fifty-one million, three hundred fifty-six thousand, two hundred twenty-two".