22253129 has 4 divisors (see below), whose sum is σ = 22276884. Its totient is φ = 22229376.

The previous prime is 22253117. The next prime is 22253141. The reversal of 22253129 is 92135222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92135222 = 2 ⋅46067611.

It is an interprime number because it is at equal distance from previous prime (22253117) and next prime (22253141).

It can be written as a sum of positive squares in 2 ways, for example, as 20457529 + 1795600 = 4523^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 22253129 - 2¹⁶ = 22187593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22253098 and 22253107.

It is not an unprimeable number, because it can be changed into a prime (22253149) 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, 10412 + ... + 12365.

It is an arithmetic number, because the mean of its divisors is an integer number (5569221).

Almost surely, 2^22253129 is an apocalyptic number.

It is an amenable number.

22253129 is a deficient number, since it is larger than the sum of its proper divisors (23755).

22253129 is an equidigital number, since it uses as much as digits as its factorization.

22253129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23754.

The product of its digits is 2160, while the sum is 26.

The square root of 22253129 is about 4717.3222277050. The cubic root of 22253129 is about 281.2745003183.

The spelling of 22253129 in words is "twenty-two million, two hundred fifty-three thousand, one hundred twenty-nine".