149222188 has 24 divisors (see below), whose sum is σ = 264257280. Its totient is φ = 73726080.

The previous prime is 149222153. The next prime is 149222201. The reversal of 149222188 is 881222941.

It is a happy number.

149222188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×149222188² = 44534522783014688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 131608 + ... + 132736.

It is an arithmetic number, because the mean of its divisors is an integer number (11010720).

Almost surely, 2^149222188 is an apocalyptic number.

It is an amenable number.

149222188 is a deficient number, since it is larger than the sum of its proper divisors (115035092).

149222188 is a wasteful number, since it uses less digits than its factorization.

149222188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497 (or 1495 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The square root of 149222188 is about 12215.6534004530. The cubic root of 149222188 is about 530.4093052776.

The spelling of 149222188 in words is "one hundred forty-nine million, two hundred twenty-two thousand, one hundred eighty-eight".