22420248 has 32 divisors (see below), whose sum is σ = 57985200. Its totient is φ = 7215488.

The previous prime is 22420241. The next prime is 22420249. The reversal of 22420248 is 84202422.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22420241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15411 + ... + 16802.

Almost surely, 2^22420248 is an apocalyptic number.

It is an amenable number.

22420248 is an abundant number, since it is smaller than the sum of its proper divisors (35564952).

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

22420248 is a wasteful number, since it uses less digits than its factorization.

22420248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32251 (or 32247 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 22420248 is about 4735.0024287217. The cubic root of 22420248 is about 281.9768604322.

The spelling of 22420248 in words is "twenty-two million, four hundred twenty thousand, two hundred forty-eight".