1348777922 has 6 divisors (see below), whose sum is σ = 2023244793. Its totient is φ = 674362992.

The previous prime is 1348777921. The next prime is 1348777933. The reversal of 1348777922 is 2297778431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1172446081 + 176331841 = 34241^2 + 13279^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25969.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1348777921) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 38954 + ... + 64922.

Almost surely, 2^1348777922 is an apocalyptic number.

1348777922 is a deficient number, since it is larger than the sum of its proper divisors (674466871).

1348777922 is an frugal number, since it uses more digits than its factorization.

1348777922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51940 (or 25971 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 50.

The square root of 1348777922 is about 36725.7120012669. The cubic root of 1348777922 is about 1104.8758545514.

Multiplying 1348777922 by its sum of digits (50), we get a square (67438896100 = 259690²).

The spelling of 1348777922 in words is "one billion, three hundred forty-eight million, seven hundred seventy-seven thousand, nine hundred twenty-two".