151222057 has 8 divisors (see below), whose sum is σ = 172988096. Its totient is φ = 129496752.

The previous prime is 151222051. The next prime is 151222069. The reversal of 151222057 is 750222151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-151222057 is a prime.

It is a super-2 number, since 2×151222057² = 45736221046622498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151222051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758 + ... + 17479.

It is an arithmetic number, because the mean of its divisors is an integer number (21623512).

Almost surely, 2^151222057 is an apocalyptic number.

It is an amenable number.

151222057 is a deficient number, since it is larger than the sum of its proper divisors (21766039).

151222057 is a wasteful number, since it uses less digits than its factorization.

151222057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20367.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 151222057 is about 12297.2377792738. The cubic root of 151222057 is about 532.7683052074.

The spelling of 151222057 in words is "one hundred fifty-one million, two hundred twenty-two thousand, fifty-seven".