28613122 has 4 divisors (see below), whose sum is σ = 42919686. Its totient is φ = 14306560.

The previous prime is 28613119. The next prime is 28613131. The reversal of 28613122 is 22131682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26925721 + 1687401 = 5189^2 + 1299^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7153279 + ... + 7153282.

Almost surely, 2^28613122 is an apocalyptic number.

28613122 is a deficient number, since it is larger than the sum of its proper divisors (14306564).

28613122 is a wasteful number, since it uses less digits than its factorization.

28613122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14306563.

The product of its digits is 1152, while the sum is 25.

The square root of 28613122 is about 5349.1234795993. The cubic root of 28613122 is about 305.8593412799.

The spelling of 28613122 in words is "twenty-eight million, six hundred thirteen thousand, one hundred twenty-two".