922227847477 has 4 divisors (see below), whose sum is σ = 922399047936. Its totient is φ = 922056647020.

The previous prime is 922227847451. The next prime is 922227847571. The reversal of 922227847477 is 774748722229.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 774748722229 = 79 ⋅9806945851.

It is a cyclic number.

It is not a de Polignac number, because 922227847477 - 2⁷ = 922227847349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922227847417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85592149 + ... + 85602922.

It is an arithmetic number, because the mean of its divisors is an integer number (230599761984).

Almost surely, 2^922227847477 is an apocalyptic number.

It is an amenable number.

922227847477 is a deficient number, since it is larger than the sum of its proper divisors (171200459).

922227847477 is a wasteful number, since it uses less digits than its factorization.

922227847477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171200458.

The product of its digits is 44255232, while the sum is 61.

The spelling of 922227847477 in words is "nine hundred twenty-two billion, two hundred twenty-seven million, eight hundred forty-seven thousand, four hundred seventy-seven".