22072084 has 6 divisors (see below), whose sum is σ = 38626154. Its totient is φ = 11036040.

The previous prime is 22072081. The next prime is 22072087. The reversal of 22072084 is 48027022.

It is an interprime number because it is at equal distance from previous prime (22072081) and next prime (22072087).

It can be written as a sum of positive squares in only one way, i.e., 19607184 + 2464900 = 4428^2 + 1570^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22072081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2759007 + ... + 2759014.

Almost surely, 2^22072084 is an apocalyptic number.

It is an amenable number.

22072084 is a deficient number, since it is larger than the sum of its proper divisors (16554070).

22072084 is a wasteful number, since it uses less digits than its factorization.

22072084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518025 (or 5518023 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 22072084 is about 4698.0936559417. The cubic root of 22072084 is about 280.5096330693.

The spelling of 22072084 in words is "twenty-two million, seventy-two thousand, eighty-four".