22246028 has 48 divisors (see below), whose sum is σ = 46347840. Its totient is φ = 9144576.

The previous prime is 22246019. The next prime is 22246039. The reversal of 22246028 is 82064222.

It is a junction number, because it is equal to n+sod(n) for n = 22245988 and 22246006.

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, 112826 + ... + 113022.

It is an arithmetic number, because the mean of its divisors is an integer number (965580).

Almost surely, 2^22246028 is an apocalyptic number.

22246028 is a gapful number since it is divisible by the number (28) 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 22246028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23173920).

22246028 is an abundant number, since it is smaller than the sum of its proper divisors (24101812).

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

22246028 is a wasteful number, since it uses less digits than its factorization.

22246028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 22246028 is about 4716.5695160784. The cubic root of 22246028 is about 281.2445787926.

The spelling of 22246028 in words is "twenty-two million, two hundred forty-six thousand, twenty-eight".