22941000 has 96 divisors (see below), whose sum is σ = 77571000. Its totient is φ = 6115200.

The previous prime is 22940989. The next prime is 22941013. The reversal of 22941000 is 14922.

It can be written as a sum of positive squares in 4 ways, for example, as 12404484 + 10536516 = 3522^2 + 3246^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7726 + ... + 10274.

Almost surely, 2^22941000 is an apocalyptic number.

22941000 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 22941000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38785500).

22941000 is an abundant number, since it is smaller than the sum of its proper divisors (54630000).

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

22941000 is a wasteful number, since it uses less digits than its factorization.

22941000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576 (or 2559 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 22941000 is about 4789.6763982549. The cubic root of 22941000 is about 284.1433185248.

Adding to 22941000 its reverse (14922), we get a palindrome (22955922).

The spelling of 22941000 in words is "twenty-two million, nine hundred forty-one thousand".