22053897 has 8 divisors (see below), whose sum is σ = 32672480. Its totient is φ = 14702580.

The previous prime is 22053881. The next prime is 22053923. The reversal of 22053897 is 79835022.

It is a happy number.

It is not a de Polignac number, because 22053897 - 2⁴ = 22053881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22053827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408379 + ... + 408432.

It is an arithmetic number, because the mean of its divisors is an integer number (4084060).

Almost surely, 2^22053897 is an apocalyptic number.

22053897 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22053897 is a deficient number, since it is larger than the sum of its proper divisors (10618583).

22053897 is an equidigital number, since it uses as much as digits as its factorization.

22053897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816820 (or 816814 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 22053897 is about 4696.1576847461. The cubic root of 22053897 is about 280.4325669353.

The spelling of 22053897 in words is "twenty-two million, fifty-three thousand, eight hundred ninety-seven".