22610028 has 24 divisors (see below), whose sum is σ = 60293632. Its totient is φ = 6459984.

The previous prime is 22610023. The next prime is 22610033. The reversal of 22610028 is 82001622.

It is an interprime number because it is at equal distance from previous prime (22610023) and next prime (22610033).

It is a super-2 number, since 2×22610028² = 1022426732321568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 22609986 and 22610013.

It is not an unprimeable number, because it can be changed into a prime (22610023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134500 + ... + 134667.

Almost surely, 2^22610028 is an apocalyptic number.

22610028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22610028 is an abundant number, since it is smaller than the sum of its proper divisors (37683604).

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

22610028 is a wasteful number, since it uses less digits than its factorization.

22610028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269181 (or 269179 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 22610028 is about 4755.0003154574. Note that the first 3 decimals coincide. The cubic root of 22610028 is about 282.7702397483.

It can be divided in two parts, 226100 and 28, that added together give a triangular number (226128 = T₆₇₂).

The spelling of 22610028 in words is "twenty-two million, six hundred ten thousand, twenty-eight".