22069028 has 6 divisors (see below), whose sum is σ = 38620806. Its totient is φ = 11034512.

The previous prime is 22069027. The next prime is 22069049. The reversal of 22069028 is 82096022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21603904 + 465124 = 4648^2 + 682^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22069027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758625 + ... + 2758632.

It is an arithmetic number, because the mean of its divisors is an integer number (6436801).

Almost surely, 2^22069028 is an apocalyptic number.

It is an amenable number.

22069028 is a deficient number, since it is larger than the sum of its proper divisors (16551778).

22069028 is a wasteful number, since it uses less digits than its factorization.

22069028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517261 (or 5517259 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22069028 is about 4697.7684063819. The cubic root of 22069028 is about 280.4966864440.

The spelling of 22069028 in words is "twenty-two million, sixty-nine thousand, twenty-eight".