28629226 has 8 divisors (see below), whose sum is σ = 42982884. Its totient is φ = 14301600.

The previous prime is 28629217. The next prime is 28629277. The reversal of 28629226 is 62292682.

It can be written as a sum of positive squares in 2 ways, for example, as 26512201 + 2117025 = 5149^2 + 1455^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3475 + ... + 8326.

Almost surely, 2^28629226 is an apocalyptic number.

28629226 is a deficient number, since it is larger than the sum of its proper divisors (14353658).

28629226 is a wasteful number, since it uses less digits than its factorization.

28629226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13016.

The product of its digits is 41472, while the sum is 37.

The square root of 28629226 is about 5350.6285612066. The cubic root of 28629226 is about 305.9167116368.

The spelling of 28629226 in words is "twenty-eight million, six hundred twenty-nine thousand, two hundred twenty-six".