22260504 has 96 divisors (see below), whose sum is σ = 67633920. Its totient is φ = 6076224.

The previous prime is 22260503. The next prime is 22260509. The reversal of 22260504 is 40506222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22260503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26637 + ... + 27459.

It is an arithmetic number, because the mean of its divisors is an integer number (704520).

Almost surely, 2^22260504 is an apocalyptic number.

22260504 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 22260504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33816960).

22260504 is an abundant number, since it is smaller than the sum of its proper divisors (45373416).

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

22260504 is a wasteful number, since it uses less digits than its factorization.

22260504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22260504 is about 4718.1038564237. The cubic root of 22260504 is about 281.3055696617.

Adding to 22260504 its reverse (40506222), we get a palindrome (62766726).

It can be divided in two parts, 222 and 60504, that added together give a triangular number (60726 = T₃₄₈).

The spelling of 22260504 in words is "twenty-two million, two hundred sixty thousand, five hundred four".