22442064 has 20 divisors (see below), whose sum is σ = 57975456. Its totient is φ = 7480672.

The previous prime is 22442029. The next prime is 22442081. The reversal of 22442064 is 46024422.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233724 + ... + 233819.

Almost surely, 2^22442064 is an apocalyptic number.

22442064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22442064 is an abundant number, since it is smaller than the sum of its proper divisors (35533392).

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

22442064 is a wasteful number, since it uses less digits than its factorization.

22442064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467554 (or 467548 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 22442064 is about 4737.3055632923. The cubic root of 22442064 is about 282.0682898846.

Adding to 22442064 its reverse (46024422), we get a palindrome (68466486).

The spelling of 22442064 in words is "twenty-two million, four hundred forty-two thousand, sixty-four".