22148313077 has 16 divisors (see below), whose sum is σ = 24511911552. Its totient is φ = 19843499520.

The previous prime is 22148313073. The next prime is 22148313127. The reversal of 22148313077 is 77031384122.

It is a cyclic number.

It is not a de Polignac number, because 22148313077 - 2² = 22148313073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22148313077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22148313073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087613 + ... + 1107789.

It is an arithmetic number, because the mean of its divisors is an integer number (1531994472).

Almost surely, 2^22148313077 is an apocalyptic number.

It is an amenable number.

22148313077 is a deficient number, since it is larger than the sum of its proper divisors (2363598475).

22148313077 is a wasteful number, since it uses less digits than its factorization.

22148313077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21628.

The product of its (nonzero) digits is 56448, while the sum is 38.

Adding to 22148313077 its reverse (77031384122), we get a palindrome (99179697199).

The spelling of 22148313077 in words is "twenty-two billion, one hundred forty-eight million, three hundred thirteen thousand, seventy-seven".