22722038 has 4 divisors (see below), whose sum is σ = 34083060. Its totient is φ = 11361018.

The previous prime is 22722023. The next prime is 22722079. The reversal of 22722038 is 83022722.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22721998 and 22722016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5680508 + ... + 5680511.

It is an arithmetic number, because the mean of its divisors is an integer number (8520765).

Almost surely, 2^22722038 is an apocalyptic number.

22722038 is a deficient number, since it is larger than the sum of its proper divisors (11361022).

22722038 is a wasteful number, since it uses less digits than its factorization.

22722038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11361021.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 22722038 is about 4766.7638917823. The cubic root of 22722038 is about 283.2364183724.

The spelling of 22722038 in words is "twenty-two million, seven hundred twenty-two thousand, thirty-eight".