9122777476 has 6 divisors (see below), whose sum is σ = 15964860590. Its totient is φ = 4561388736.

The previous prime is 9122777471. The next prime is 9122777479. The reversal of 9122777476 is 6747772219.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6758484100 + 2364293376 = 82210^2 + 48624^2 .

It is a super-2 number, since 2×9122777476² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9122777471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140347181 + ... + 1140347188.

Almost surely, 2^9122777476 is an apocalyptic number.

It is an amenable number.

9122777476 is a deficient number, since it is larger than the sum of its proper divisors (6842083114).

9122777476 is a wasteful number, since it uses less digits than its factorization.

9122777476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280694373 (or 2280694371 counting only the distinct ones).

The product of its digits is 2074464, while the sum is 52.

The square root of 9122777476 is about 95513.2319419671. The cubic root of 9122777476 is about 2089.4999281285.

The spelling of 9122777476 in words is "nine billion, one hundred twenty-two million, seven hundred seventy-seven thousand, four hundred seventy-six".