22019052 has 48 divisors (see below), whose sum is σ = 57867264. Its totient is φ = 6456000.

The previous prime is 22019047. The next prime is 22019057. The reversal of 22019052 is 25091022.

It is an interprime number because it is at equal distance from previous prime (22019047) and next prime (22019057).

It is not an unprimeable number, because it can be changed into a prime (22019057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402 + ... + 6782.

It is an arithmetic number, because the mean of its divisors is an integer number (1205568).

Almost surely, 2^22019052 is an apocalyptic number.

22019052 is a gapful number since it is divisible by the number (22) 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 22019052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28933632).

22019052 is an abundant number, since it is smaller than the sum of its proper divisors (35848212).

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

22019052 is a wasteful number, since it uses less digits than its factorization.

22019052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430 (or 5428 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 22019052 is about 4692.4462703370. The cubic root of 22019052 is about 280.2847952632.

The spelling of 22019052 in words is "twenty-two million, nineteen thousand, fifty-two".