2229722477 has 4 divisors (see below), whose sum is σ = 2243401920. Its totient is φ = 2216043036.

The previous prime is 2229722459. The next prime is 2229722497. The reversal of 2229722477 is 7742279222.

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.

It is a cyclic number.

It is not a de Polignac number, because 2229722477 - 2²⁸ = 1961287021 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 (2229722497) 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, 6839477 + ... + 6839802.

It is an arithmetic number, because the mean of its divisors is an integer number (560850480).

Almost surely, 2^2229722477 is an apocalyptic number.

It is an amenable number.

2229722477 is a deficient number, since it is larger than the sum of its proper divisors (13679443).

2229722477 is a wasteful number, since it uses less digits than its factorization.

2229722477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13679442.

The product of its digits is 395136, while the sum is 44.

The square root of 2229722477 is about 47219.9372828893. The cubic root of 2229722477 is about 1306.4223570192.

It can be divided in two parts, 2 and 229722477, that multiplied together give a palindrome (459444954).

The spelling of 2229722477 in words is "two billion, two hundred twenty-nine million, seven hundred twenty-two thousand, four hundred seventy-seven".