22273650 has 96 divisors (see below), whose sum is σ = 70174080. Its totient is φ = 5088960.

The previous prime is 22273633. The next prime is 22273663. The reversal of 22273650 is 5637222.

22273650 is a `hidden beast` number, since 2 + 2 + 2 + 7 + 3 + 650 = 666.

It is a super-2 number, since 2×22273650² = 992230968645000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8272 + ... + 10628.

It is an arithmetic number, because the mean of its divisors is an integer number (730980).

Almost surely, 2^22273650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22273650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35087040).

22273650 is an abundant number, since it is smaller than the sum of its proper divisors (47900430).

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

22273650 is a wasteful number, since it uses less digits than its factorization.

22273650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385 (or 2374 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 22273650 is about 4719.4967952103. The cubic root of 22273650 is about 281.3609340161.

The spelling of 22273650 in words is "twenty-two million, two hundred seventy-three thousand, six hundred fifty".