22053351 has 4 divisors (see below), whose sum is σ = 29404472. Its totient is φ = 14702232.

The previous prime is 22053347. The next prime is 22053359. The reversal of 22053351 is 15335022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22053351 - 2² = 22053347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053359) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3675556 + ... + 3675561.

It is an arithmetic number, because the mean of its divisors is an integer number (7351118).

Almost surely, 2^22053351 is an apocalyptic number.

22053351 is a deficient number, since it is larger than the sum of its proper divisors (7351121).

22053351 is an equidigital number, since it uses as much as digits as its factorization.

22053351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351120.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 22053351 is about 4696.0995517557. The cubic root of 22053351 is about 280.4302526437.

Adding to 22053351 its reverse (15335022), we get a palindrome (37388373).

The spelling of 22053351 in words is "twenty-two million, fifty-three thousand, three hundred fifty-one".