22019152 has 10 divisors (see below), whose sum is σ = 42662138. Its totient is φ = 11009568.

The previous prime is 22019147. The next prime is 22019183. The reversal of 22019152 is 25191022.

It can be written as a sum of positive squares in only one way, i.e., 21752896 + 266256 = 4664^2 + 516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688083 + ... + 688114.

Almost surely, 2^22019152 is an apocalyptic number.

It is an amenable number.

22019152 is a deficient number, since it is larger than the sum of its proper divisors (20642986).

22019152 is a wasteful number, since it uses less digits than its factorization.

22019152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376205 (or 1376199 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 22019152 is about 4692.4569257480. The cubic root of 22019152 is about 280.2852195690.

It can be divided in two parts, 2 and 2019152, that multiplied together give a palindrome (4038304).

The spelling of 22019152 in words is "twenty-two million, nineteen thousand, one hundred fifty-two".