22299480 has 96 divisors (see below), whose sum is σ = 82836000. Its totient is φ = 5096448.

The previous prime is 22299451. The next prime is 22299503. The reversal of 22299480 is 8499222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1905 + ... + 6944.

It is an arithmetic number, because the mean of its divisors is an integer number (862875).

Almost surely, 2^22299480 is an apocalyptic number.

22299480 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 22299480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41418000).

22299480 is an abundant number, since it is smaller than the sum of its proper divisors (60536520).

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

22299480 is a wasteful number, since it uses less digits than its factorization.

22299480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8873 (or 8866 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 22299480 is about 4722.2325228646. The cubic root of 22299480 is about 281.4696535931.

The spelling of 22299480 in words is "twenty-two million, two hundred ninety-nine thousand, four hundred eighty".