22207000 has 64 divisors (see below), whose sum is σ = 53071200. Its totient is φ = 8694400.

The previous prime is 22206973. The next prime is 22207019. The reversal of 22207000 is 70222.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 52791 + ... + 53209.

Almost surely, 2^22207000 is an apocalyptic number.

22207000 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 22207000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26535600).

22207000 is an abundant number, since it is smaller than the sum of its proper divisors (30864200).

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

22207000 is a wasteful number, since it uses less digits than its factorization.

22207000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 22207000 is about 4712.4303708384. The cubic root of 22207000 is about 281.0800125066.

Adding to 22207000 its reverse (70222), we get a palindrome (22277222).

The spelling of 22207000 in words is "twenty-two million, two hundred seven thousand".