22450151 has 2 divisors, whose sum is σ = 22450152. Its totient is φ = 22450150.

The previous prime is 22450133. The next prime is 22450163. The reversal of 22450151 is 15105422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22450151 - 2¹⁴ = 22433767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22450121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11225075 + 11225076.

It is an arithmetic number, because the mean of its divisors is an integer number (11225076).

Almost surely, 2^22450151 is an apocalyptic number.

22450151 is a deficient number, since it is larger than the sum of its proper divisors (1).

22450151 is an equidigital number, since it uses as much as digits as its factorization.

22450151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 22450151 is about 4738.1590306785. The cubic root of 22450151 is about 282.1021669279.

Adding to 22450151 its reverse (15105422), we get a palindrome (37555573).

The spelling of 22450151 in words is "twenty-two million, four hundred fifty thousand, one hundred fifty-one".