22496768 has 40 divisors (see below), whose sum is σ = 51379152. Its totient is φ = 9639936.

The previous prime is 22496767. The next prime is 22496813. The reversal of 22496768 is 86769422.

It is a super-2 number, since 2×22496768² = 1012209140891648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22496767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446 + ... + 6722.

Almost surely, 2^22496768 is an apocalyptic number.

22496768 is a gapful number since it is divisible by the number (28) 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 22496768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25689576).

22496768 is an abundant number, since it is smaller than the sum of its proper divisors (28882384).

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

22496768 is an frugal number, since it uses more digits than its factorization.

22496768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6302 (or 6286 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 22496768 is about 4743.0757953041. The cubic root of 22496768 is about 282.2972905573.

The spelling of 22496768 in words is "twenty-two million, four hundred ninety-six thousand, seven hundred sixty-eight".