22769140 has 12 divisors (see below), whose sum is σ = 47815236. Its totient is φ = 9107648.

The previous prime is 22769113. The next prime is 22769167. The reversal of 22769140 is 4196722.

It is an interprime number because it is at equal distance from previous prime (22769113) and next prime (22769167).

It can be written as a sum of positive squares in 2 ways, for example, as 14714896 + 8054244 = 3836^2 + 2838^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569209 + ... + 569248.

It is an arithmetic number, because the mean of its divisors is an integer number (3984603).

Almost surely, 2^22769140 is an apocalyptic number.

22769140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22769140 is an abundant number, since it is smaller than the sum of its proper divisors (25046096).

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

22769140 is a wasteful number, since it uses less digits than its factorization.

22769140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138466 (or 1138464 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 22769140 is about 4771.7020024306. The cubic root of 22769140 is about 283.4319963967.

The spelling of 22769140 in words is "twenty-two million, seven hundred sixty-nine thousand, one hundred forty".