222120148 has 12 divisors (see below), whose sum is σ = 393078420. Its totient is φ = 109812032.

The previous prime is 222120133. The next prime is 222120149. The reversal of 222120148 is 841021222.

222120148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37920964 + 184199184 = 6158^2 + 13572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311611 + ... + 312322.

It is an arithmetic number, because the mean of its divisors is an integer number (32756535).

Almost surely, 2^222120148 is an apocalyptic number.

It is an amenable number.

222120148 is a deficient number, since it is larger than the sum of its proper divisors (170958272).

222120148 is a wasteful number, since it uses less digits than its factorization.

222120148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624026 (or 624024 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 222120148 is about 14903.6957832613. The cubic root of 222120148 is about 605.6141094885.

The spelling of 222120148 in words is "two hundred twenty-two million, one hundred twenty thousand, one hundred forty-eight".