22254331 has 4 divisors (see below), whose sum is σ = 24277464. Its totient is φ = 20231200.

The previous prime is 22254319. The next prime is 22254371. The reversal of 22254331 is 13345222.

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

It is a de Polignac number, because none of the positive numbers 2^k-22254331 is a prime.

It is a super-2 number, since 2×22254331² = 990510496515122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22254371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011550 + ... + 1011571.

It is an arithmetic number, because the mean of its divisors is an integer number (6069366).

Almost surely, 2^22254331 is an apocalyptic number.

22254331 is a deficient number, since it is larger than the sum of its proper divisors (2023133).

22254331 is a wasteful number, since it uses less digits than its factorization.

22254331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023132.

The product of its digits is 1440, while the sum is 22.

The square root of 22254331 is about 4717.4496287719. The cubic root of 22254331 is about 281.2795645629.

Adding to 22254331 its reverse (13345222), we get a palindrome (35599553).

It can be divided in two parts, 2225 and 4331, that added together give a palindrome (6556).

The spelling of 22254331 in words is "twenty-two million, two hundred fifty-four thousand, three hundred thirty-one".