22262460 has 96 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 5322240.

The previous prime is 22262453. The next prime is 22262477. The reversal of 22262460 is 6426222.

22262460 is nontrivially palindromic in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 22262460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58551 + ... + 58929.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^22262460 is an apocalyptic number.

22262460 is a gapful number since it is divisible by the number (20) 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 22262460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34473600).

22262460 is an abundant number, since it is smaller than the sum of its proper divisors (46684740).

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

22262460 is a wasteful number, since it uses less digits than its factorization.

22262460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 22262460 is about 4718.3111385325. The cubic root of 22262460 is about 281.3138087321.

Adding to 22262460 its reverse (6426222), we get a palindrome (28688682).

It can be divided in two parts, 22262 and 460, that added together give a palindrome (22722).

The spelling of 22262460 in words is "twenty-two million, two hundred sixty-two thousand, four hundred sixty".