22071004 has 6 divisors (see below), whose sum is σ = 38624264. Its totient is φ = 11035500.

The previous prime is 22070999. The next prime is 22071017. The reversal of 22071004 is 40017022.

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, 2758872 + ... + 2758879.

Almost surely, 2^22071004 is an apocalyptic number.

It is an amenable number.

22071004 is a deficient number, since it is larger than the sum of its proper divisors (16553260).

22071004 is a wasteful number, since it uses less digits than its factorization.

22071004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517755 (or 5517753 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 22071004 is about 4697.9787142983. The cubic root of 22071004 is about 280.5050578278.

Adding to 22071004 its reverse (40017022), we get a palindrome (62088026).

The spelling of 22071004 in words is "twenty-two million, seventy-one thousand, four".