22828405 has 16 divisors (see below), whose sum is σ = 29128320. Its totient is φ = 17126208.

The previous prime is 22828391. The next prime is 22828459. The reversal of 22828405 is 50482822.

It is a cyclic number.

It is not a de Polignac number, because 22828405 - 2⁷ = 22828277 is a prime.

It is a super-2 number, since 2×22828405² = 1042272149688050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8619 + ... + 10951.

It is an arithmetic number, because the mean of its divisors is an integer number (1820520).

Almost surely, 2^22828405 is an apocalyptic number.

It is an amenable number.

22828405 is a deficient number, since it is larger than the sum of its proper divisors (6299915).

22828405 is a wasteful number, since it uses less digits than its factorization.

22828405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 22828405 is about 4777.9080150208. The cubic root of 22828405 is about 283.6776950974.

The spelling of 22828405 in words is "twenty-two million, eight hundred twenty-eight thousand, four hundred five".