22839812 has 6 divisors (see below), whose sum is σ = 39969678. Its totient is φ = 11419904.

The previous prime is 22839809. The next prime is 22839833. The reversal of 22839812 is 21893822.

It can be written as a sum of positive squares in only one way, i.e., 18113536 + 4726276 = 4256^2 + 2174^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2854973 + ... + 2854980.

It is an arithmetic number, because the mean of its divisors is an integer number (6661613).

Almost surely, 2^22839812 is an apocalyptic number.

It is an amenable number.

22839812 is a deficient number, since it is larger than the sum of its proper divisors (17129866).

22839812 is a wasteful number, since it uses less digits than its factorization.

22839812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709957 (or 5709955 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 22839812 is about 4779.1015892111. The cubic root of 22839812 is about 283.7249370115.

The spelling of 22839812 in words is "twenty-two million, eight hundred thirty-nine thousand, eight hundred twelve".