22606072 has 8 divisors (see below), whose sum is σ = 42386400. Its totient is φ = 11303032.

The previous prime is 22606063. The next prime is 22606081. The reversal of 22606072 is 27060622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22606063) and next prime (22606081).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22606072² = 1022068982538368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412872 + ... + 1412887.

It is an arithmetic number, because the mean of its divisors is an integer number (5298300).

Almost surely, 2^22606072 is an apocalyptic number.

It is an amenable number.

22606072 is a deficient number, since it is larger than the sum of its proper divisors (19780328).

22606072 is a wasteful number, since it uses less digits than its factorization.

22606072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825765 (or 2825761 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 22606072 is about 4754.5843141120. The cubic root of 22606072 is about 282.7537470028.

Adding to 22606072 its reverse (27060622), we get a palindrome (49666694).

The spelling of 22606072 in words is "twenty-two million, six hundred six thousand, seventy-two".