22200048 has 160 divisors (see below), whose sum is σ = 70828800. Its totient is φ = 6614784.

The previous prime is 22200047. The next prime is 22200077. The reversal of 22200048 is 84000222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 22200048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331311 + ... + 331377.

It is an arithmetic number, because the mean of its divisors is an integer number (442680).

Almost surely, 2^22200048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22200048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35414400).

22200048 is an abundant number, since it is smaller than the sum of its proper divisors (48628752).

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

22200048 is a wasteful number, since it uses less digits than its factorization.

22200048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 22200048 is about 4711.6926894695. The cubic root of 22200048 is about 281.0506783298.

The spelling of 22200048 in words is "twenty-two million, two hundred thousand, forty-eight".