2225520137 has 2 divisors, whose sum is σ = 2225520138. Its totient is φ = 2225520136.

The previous prime is 2225520127. The next prime is 2225520149. The reversal of 2225520137 is 7310255222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1266007561 + 959512576 = 35581^2 + 30976^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225520137 - 2²⁸ = 1957084681 is a prime.

It is not a weakly prime, because it can be changed into another prime (2225520127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112760068 + 1112760069.

It is an arithmetic number, because the mean of its divisors is an integer number (1112760069).

Almost surely, 2^2225520137 is an apocalyptic number.

It is an amenable number.

2225520137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225520137 is an equidigital number, since it uses as much as digits as its factorization.

2225520137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2225520137 is about 47175.4187792753. The cubic root of 2225520137 is about 1305.6011063021.

Adding to 2225520137 its reverse (7310255222), we get a palindrome (9535775359).

The spelling of 2225520137 in words is "two billion, two hundred twenty-five million, five hundred twenty thousand, one hundred thirty-seven".