22069732 has 6 divisors (see below), whose sum is σ = 38622038. Its totient is φ = 11034864.

The previous prime is 22069709. The next prime is 22069753. The reversal of 22069732 is 23796022.

It can be written as a sum of positive squares in only one way, i.e., 21585316 + 484416 = 4646^2 + 696^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22069694 and 22069703.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758713 + ... + 2758720.

Almost surely, 2^22069732 is an apocalyptic number.

It is an amenable number.

22069732 is a deficient number, since it is larger than the sum of its proper divisors (16552306).

22069732 is a wasteful number, since it uses less digits than its factorization.

22069732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517437 (or 5517435 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 22069732 is about 4697.8433349783. The cubic root of 22069732 is about 280.4996690186.

It can be divided in two parts, 22069 and 732, that added together give a square (22801 = 151²).

The spelling of 22069732 in words is "twenty-two million, sixty-nine thousand, seven hundred thirty-two".