22237151 has 2 divisors, whose sum is σ = 22237152. Its totient is φ = 22237150.

The previous prime is 22237133. The next prime is 22237169. The reversal of 22237151 is 15173222.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (22237133) and next prime (22237169).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22237151 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_1403168 and since 22237151 and 1403168 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22237121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11118575 + 11118576.

It is an arithmetic number, because the mean of its divisors is an integer number (11118576).

Almost surely, 2^22237151 is an apocalyptic number.

22237151 is a deficient number, since it is larger than the sum of its proper divisors (1).

22237151 is an equidigital number, since it uses as much as digits as its factorization.

22237151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 22237151 is about 4715.6283780637. The cubic root of 22237151 is about 281.2071647686.

It can be divided in two parts, 222 and 37151, that added together give a palindrome (37373).

The spelling of 22237151 in words is "twenty-two million, two hundred thirty-seven thousand, one hundred fifty-one".