22769442 has 12 divisors (see below), whose sum is σ = 49333830. Its totient is φ = 7589808.

The previous prime is 22769419. The next prime is 22769447. The reversal of 22769442 is 24496722.

It can be written as a sum of positive squares in only one way, i.e., 16966161 + 5803281 = 4119^2 + 2409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22769397 and 22769406.

It is not an unprimeable number, because it can be changed into a prime (22769447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 632467 + ... + 632502.

Almost surely, 2^22769442 is an apocalyptic number.

22769442 is an abundant number, since it is smaller than the sum of its proper divisors (26564388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22769442 is a wasteful number, since it uses less digits than its factorization.

22769442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264977 (or 1264974 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 22769442 is about 4771.7336472188. The cubic root of 22769442 is about 283.4332494975.

The spelling of 22769442 in words is "twenty-two million, seven hundred sixty-nine thousand, four hundred forty-two".