22946138 has 16 divisors (see below), whose sum is σ = 36205056. Its totient is φ = 10891920.

The previous prime is 22946137. The next prime is 22946153. The reversal of 22946138 is 83164922.

22946138 is a modest number, since divided by 6138 gives 2294 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22946098 and 22946107.

It is not an unprimeable number, because it can be changed into a prime (22946137) 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, 206 + ... + 6777.

It is an arithmetic number, because the mean of its divisors is an integer number (2262816).

Almost surely, 2^22946138 is an apocalyptic number.

22946138 is a deficient number, since it is larger than the sum of its proper divisors (13258918).

22946138 is a wasteful number, since it uses less digits than its factorization.

22946138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7069.

The product of its digits is 20736, while the sum is 35.

The square root of 22946138 is about 4790.2127301405. The cubic root of 22946138 is about 284.1645297390.

The spelling of 22946138 in words is "twenty-two million, nine hundred forty-six thousand, one hundred thirty-eight".