122227537 has 2 divisors, whose sum is σ = 122227538. Its totient is φ = 122227536.

The previous prime is 122227517. The next prime is 122227559. The reversal of 122227537 is 735722221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61449921 + 60777616 = 7839^2 + 7796^2 .

It is a cyclic number.

It is not a de Polignac number, because 122227537 - 2²³ = 113838929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122227499 and 122227508.

It is not a weakly prime, because it can be changed into another prime (122227507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61113768 + 61113769.

It is an arithmetic number, because the mean of its divisors is an integer number (61113769).

Almost surely, 2^122227537 is an apocalyptic number.

It is an amenable number.

122227537 is a deficient number, since it is larger than the sum of its proper divisors (1).

122227537 is an equidigital number, since it uses as much as digits as its factorization.

122227537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 31.

The square root of 122227537 is about 11055.6563351074. The cubic root of 122227537 is about 496.2757108840.

Adding to 122227537 its reverse (735722221), we get a palindrome (857949758).

The spelling of 122227537 in words is "one hundred twenty-two million, two hundred twenty-seven thousand, five hundred thirty-seven".