22363428 has 24 divisors (see below), whose sum is σ = 52672032. Its totient is φ = 7384384.

The previous prime is 22363427. The next prime is 22363433. The reversal of 22363428 is 82436322.

It is a super-2 number, since 2×22363428² = 1000245823822368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22363395 and 22363404.

It is not an unprimeable number, because it can be changed into a prime (22363423) 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, 7425 + ... + 9992.

It is an arithmetic number, because the mean of its divisors is an integer number (2194668).

Almost surely, 2^22363428 is an apocalyptic number.

It is an amenable number.

22363428 is an abundant number, since it is smaller than the sum of its proper divisors (30308604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22363428 is a wasteful number, since it uses less digits than its factorization.

22363428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17531 (or 17529 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 22363428 is about 4728.9986255020. The cubic root of 22363428 is about 281.7384527337.

It can be divided in two parts, 22363 and 428, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 22363428 in words is "twenty-two million, three hundred sixty-three thousand, four hundred twenty-eight".