152251222 has 8 divisors (see below), whose sum is σ = 228429576. Its totient is φ = 76108032.

The previous prime is 152251219. The next prime is 152251223. The reversal of 152251222 is 222152251.

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

It is a junction number, because it is equal to n+sod(n) for n = 152251193 and 152251202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152251223) 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 3 ways as a sum of consecutive naturals, for example, 10518 + ... + 20374.

It is an arithmetic number, because the mean of its divisors is an integer number (28553697).

Almost surely, 2^152251222 is an apocalyptic number.

152251222 is a deficient number, since it is larger than the sum of its proper divisors (76178354).

152251222 is an equidigital number, since it uses as much as digits as its factorization.

152251222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17582.

The product of its digits is 800, while the sum is 22.

The square root of 152251222 is about 12339.0121970926. The cubic root of 152251222 is about 533.9741859807.

The spelling of 152251222 in words is "one hundred fifty-two million, two hundred fifty-one thousand, two hundred twenty-two".