22498763 has 4 divisors (see below), whose sum is σ = 25712880. Its totient is φ = 19284648.

The previous prime is 22498747. The next prime is 22498781. The reversal of 22498763 is 36789422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36789422 = 2 ⋅18394711.

It is a cyclic number.

It is not a de Polignac number, because 22498763 - 2⁴ = 22498747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22498763.

It is not an unprimeable number, because it can be changed into a prime (22497763) 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, 1607048 + ... + 1607061.

It is an arithmetic number, because the mean of its divisors is an integer number (6428220).

Almost surely, 2^22498763 is an apocalyptic number.

22498763 is a deficient number, since it is larger than the sum of its proper divisors (3214117).

22498763 is an equidigital number, since it uses as much as digits as its factorization.

22498763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214116.

The product of its digits is 145152, while the sum is 41.

The square root of 22498763 is about 4743.2860972115. The cubic root of 22498763 is about 282.3056349625.

The spelling of 22498763 in words is "twenty-two million, four hundred ninety-eight thousand, seven hundred sixty-three".