149988221222 has 16 divisors (see below), whose sum is σ = 257198215680. Its totient is φ = 64261778568.

The previous prime is 149988221179. The next prime is 149988221237. The reversal of 149988221222 is 222122889941.

149988221222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×149988221222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1524572 + ... + 1619967.

It is an arithmetic number, because the mean of its divisors is an integer number (16074888480).

Almost surely, 2^149988221222 is an apocalyptic number.

149988221222 is a deficient number, since it is larger than the sum of its proper divisors (107209994458).

149988221222 is a wasteful number, since it uses less digits than its factorization.

149988221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147955.

The product of its digits is 663552, while the sum is 50.

The spelling of 149988221222 in words is "one hundred forty-nine billion, nine hundred eighty-eight million, two hundred twenty-one thousand, two hundred twenty-two".