22234457 has 4 divisors (see below), whose sum is σ = 25410816. Its totient is φ = 19058100.

The previous prime is 22234451. The next prime is 22234463. The reversal of 22234457 is 75443222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (22234451) and next prime (22234463).

It is a cyclic number.

It is not a de Polignac number, because 22234457 - 2⁶ = 22234393 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22234451) 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, 1588169 + ... + 1588182.

It is an arithmetic number, because the mean of its divisors is an integer number (6352704).

Almost surely, 2^22234457 is an apocalyptic number.

It is an amenable number.

22234457 is a deficient number, since it is larger than the sum of its proper divisors (3176359).

22234457 is an equidigital number, since it uses as much as digits as its factorization.

22234457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176358.

The product of its digits is 13440, while the sum is 29.

The square root of 22234457 is about 4715.3427234932. The cubic root of 22234457 is about 281.1958083573.

Adding to 22234457 its reverse (75443222), we get a palindrome (97677679).

The spelling of 22234457 in words is "twenty-two million, two hundred thirty-four thousand, four hundred fifty-seven".