22638034 has 8 divisors (see below), whose sum is σ = 33981948. Its totient is φ = 11310720.

The previous prime is 22638023. The next prime is 22638037. The reversal of 22638034 is 43083622.

It can be written as a sum of positive squares in 2 ways, for example, as 18037009 + 4601025 = 4247^2 + 2145^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22637993 and 22638011.

It is not an unprimeable number, because it can be changed into a prime (22638037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154 + ... + 6730.

Almost surely, 2^22638034 is an apocalyptic number.

22638034 is a deficient number, since it is larger than the sum of its proper divisors (11343914).

22638034 is a wasteful number, since it uses less digits than its factorization.

22638034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8300.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 22638034 is about 4757.9443040036. The cubic root of 22638034 is about 282.8869430660.

The spelling of 22638034 in words is "twenty-two million, six hundred thirty-eight thousand, thirty-four".