228485626 has 16 divisors (see below), whose sum is σ = 349350408. Its totient is φ = 112046400.

The previous prime is 228485623. The next prime is 228485639. The reversal of 228485626 is 626584822.

It can be written as a sum of positive squares in 4 ways, for example, as 187717401 + 40768225 = 13701^2 + 6385^2 .

It is a super-2 number, since 2×228485626² = 104411362577223752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228485623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42996 + ... + 48016.

Almost surely, 2^228485626 is an apocalyptic number.

228485626 is a deficient number, since it is larger than the sum of its proper divisors (120864782).

228485626 is a wasteful number, since it uses less digits than its factorization.

228485626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457.

The product of its digits is 368640, while the sum is 43.

The square root of 228485626 is about 15115.7410006920. The cubic root of 228485626 is about 611.3449014929.

The spelling of 228485626 in words is "two hundred twenty-eight million, four hundred eighty-five thousand, six hundred twenty-six".