149222824 has 16 divisors (see below), whose sum is σ = 279972000. Its totient is φ = 74563632.

The previous prime is 149222807. The next prime is 149222831. The reversal of 149222824 is 428222941.

149222824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 149222824.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9727 + ... + 19825.

It is an arithmetic number, because the mean of its divisors is an integer number (17498250).

Almost surely, 2^149222824 is an apocalyptic number.

It is an amenable number.

149222824 is a deficient number, since it is larger than the sum of its proper divisors (130749176).

149222824 is a wasteful number, since it uses less digits than its factorization.

149222824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11952 (or 11948 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 149222824 is about 12215.6794325981. The cubic root of 149222824 is about 530.4100588292.

The spelling of 149222824 in words is "one hundred forty-nine million, two hundred twenty-two thousand, eight hundred twenty-four".