22145301137 has 2 divisors, whose sum is σ = 22145301138. Its totient is φ = 22145301136.

The previous prime is 22145301121. The next prime is 22145301253. The reversal of 22145301137 is 73110354122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21308992576 + 836308561 = 145976^2 + 28919^2 .

It is a cyclic number.

It is not a de Polignac number, because 22145301137 - 2⁴ = 22145301121 is a prime.

It is not a weakly prime, because it can be changed into another prime (22145301337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11072650568 + 11072650569.

It is an arithmetic number, because the mean of its divisors is an integer number (11072650569).

Almost surely, 2^22145301137 is an apocalyptic number.

It is an amenable number.

22145301137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22145301137 is an equidigital number, since it uses as much as digits as its factorization.

22145301137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 22145301137 its reverse (73110354122), we get a palindrome (95255655259).

The spelling of 22145301137 in words is "twenty-two billion, one hundred forty-five million, three hundred one thousand, one hundred thirty-seven".