22422546 has 24 divisors (see below), whose sum is σ = 51139920. Its totient is φ = 7080696.

The previous prime is 22422529. The next prime is 22422553. The reversal of 22422546 is 64522422.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32440 + ... + 33123.

It is an arithmetic number, because the mean of its divisors is an integer number (2130830).

Almost surely, 2^22422546 is an apocalyptic number.

22422546 is an abundant number, since it is smaller than the sum of its proper divisors (28717374).

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

22422546 is a wasteful number, since it uses less digits than its factorization.

22422546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65590 (or 65587 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 22422546 is about 4735.2450834144. The cubic root of 22422546 is about 281.9864939963.

Adding to 22422546 its reverse (64522422), we get a palindrome (86944968).

The spelling of 22422546 in words is "twenty-two million, four hundred twenty-two thousand, five hundred forty-six".