22150161701 has 2 divisors, whose sum is σ = 22150161702. Its totient is φ = 22150161700.

The previous prime is 22150161637. The next prime is 22150161721. The reversal of 22150161701 is 10716105122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18367296676 + 3782865025 = 135526^2 + 61505^2 .

It is a cyclic number.

It is not a de Polignac number, because 22150161701 - 2⁶ = 22150161637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22150161721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075080850 + 11075080851.

It is an arithmetic number, because the mean of its divisors is an integer number (11075080851).

Almost surely, 2^22150161701 is an apocalyptic number.

It is an amenable number.

22150161701 is a deficient number, since it is larger than the sum of its proper divisors (1).

22150161701 is an equidigital number, since it uses as much as digits as its factorization.

22150161701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 22150161701 its reverse (10716105122), we get a palindrome (32866266823).

The spelling of 22150161701 in words is "twenty-two billion, one hundred fifty million, one hundred sixty-one thousand, seven hundred one".