22067732 has 6 divisors (see below), whose sum is σ = 38618538. Its totient is φ = 11033864.

The previous prime is 22067713. The next prime is 22067737. The reversal of 22067732 is 23776022.

It can be written as a sum of positive squares in only one way, i.e., 18011536 + 4056196 = 4244^2 + 2014^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22067695 and 22067704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22067737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758463 + ... + 2758470.

It is an arithmetic number, because the mean of its divisors is an integer number (6436423).

Almost surely, 2^22067732 is an apocalyptic number.

It is an amenable number.

22067732 is a deficient number, since it is larger than the sum of its proper divisors (16550806).

22067732 is a wasteful number, since it uses less digits than its factorization.

22067732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516937 (or 5516935 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 22067732 is about 4697.6304665225. The cubic root of 22067732 is about 280.4911956294.

The spelling of 22067732 in words is "twenty-two million, sixty-seven thousand, seven hundred thirty-two".