22677240 has 64 divisors (see below), whose sum is σ = 69206400. Its totient is φ = 5942912.

The previous prime is 22677197. The next prime is 22677251. The reversal of 22677240 is 4277622.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22677198 and 22677207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5479 + ... + 8681.

It is an arithmetic number, because the mean of its divisors is an integer number (1081350).

Almost surely, 2^22677240 is an apocalyptic number.

22677240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22677240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34603200).

22677240 is an abundant number, since it is smaller than the sum of its proper divisors (46529160).

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

22677240 is a wasteful number, since it uses less digits than its factorization.

22677240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276 (or 3272 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 22677240 is about 4762.0625783372. The cubic root of 22677240 is about 283.0501561350.

The spelling of 22677240 in words is "twenty-two million, six hundred seventy-seven thousand, two hundred forty".