154222064 has 20 divisors (see below), whose sum is σ = 299788104. Its totient is φ = 76857408.

The previous prime is 154222049. The next prime is 154222067. The reversal of 154222064 is 460222451.

154222064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154222067) 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, 10787 + ... + 20610.

Almost surely, 2^154222064 is an apocalyptic number.

It is an amenable number.

154222064 is a deficient number, since it is larger than the sum of its proper divisors (145566040).

154222064 is a wasteful number, since it uses less digits than its factorization.

154222064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31712 (or 31706 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 154222064 is about 12418.6176364360. The cubic root of 154222064 is about 536.2683552634.

The spelling of 154222064 in words is "one hundred fifty-four million, two hundred twenty-two thousand, sixty-four".