22432464 has 100 divisors (see below), whose sum is σ = 68418240. Its totient is φ = 7076160.

The previous prime is 22432447. The next prime is 22432477. The reversal of 22432464 is 46423422.

It is a super-2 number, since 2×22432464² = 1006430882222592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24169 + ... + 25079.

Almost surely, 2^22432464 is an apocalyptic number.

22432464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22432464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34209120).

22432464 is an abundant number, since it is smaller than the sum of its proper divisors (45985776).

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

22432464 is a wasteful number, since it uses less digits than its factorization.

22432464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 935 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 22432464 is about 4736.2922207144. The cubic root of 22432464 is about 282.0280642056.

Adding to 22432464 its reverse (46423422), we get a palindrome (68855886).

The spelling of 22432464 in words is "twenty-two million, four hundred thirty-two thousand, four hundred sixty-four".