22150660277 has 2 divisors, whose sum is σ = 22150660278. Its totient is φ = 22150660276.

The previous prime is 22150660253. The next prime is 22150660283. The reversal of 22150660277 is 77206605122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14894005681 + 7256654596 = 122041^2 + 85186^2 .

It is a cyclic number.

It is not a de Polignac number, because 22150660277 - 2²⁴ = 22133883061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22150660277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22150668277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075330138 + 11075330139.

It is an arithmetic number, because the mean of its divisors is an integer number (11075330139).

Almost surely, 2^22150660277 is an apocalyptic number.

It is an amenable number.

22150660277 is a deficient number, since it is larger than the sum of its proper divisors (1).

22150660277 is an equidigital number, since it uses as much as digits as its factorization.

22150660277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 22150660277 in words is "twenty-two billion, one hundred fifty million, six hundred sixty thousand, two hundred seventy-seven".