149220322 has 32 divisors (see below), whose sum is σ = 244555200. Its totient is φ = 68018688.

The previous prime is 149220317. The next prime is 149220359. The reversal of 149220322 is 223022941.

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, 145929 + ... + 146947.

It is an arithmetic number, because the mean of its divisors is an integer number (7642350).

Almost surely, 2^149220322 is an apocalyptic number.

149220322 is a deficient number, since it is larger than the sum of its proper divisors (95334878).

149220322 is a wasteful number, since it uses less digits than its factorization.

149220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 149220322 is about 12215.5770228017. The cubic root of 149220322 is about 530.4070943734.

The spelling of 149220322 in words is "one hundred forty-nine million, two hundred twenty thousand, three hundred twenty-two".