22994000 has 40 divisors (see below), whose sum is σ = 55604328. Its totient is φ = 9196800.

The previous prime is 22993987. The next prime is 22994003. The reversal of 22994000 is 49922.

It can be written as a sum of positive squares in 4 ways, for example, as 602176 + 22391824 = 776^2 + 4732^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22994003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3749 + ... + 7748.

Almost surely, 2^22994000 is an apocalyptic number.

22994000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22994000 is an abundant number, since it is smaller than the sum of its proper divisors (32610328).

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

22994000 is a wasteful number, since it uses less digits than its factorization.

22994000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11520 (or 11504 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 22994000 is about 4795.2059392689. The cubic root of 22994000 is about 284.3619665564.

The spelling of 22994000 in words is "twenty-two million, nine hundred ninety-four thousand".