2227172049 has 6 divisors (see below), whose sum is σ = 3217026306. Its totient is φ = 1484781360.

The previous prime is 2227172027. The next prime is 2227172063. The reversal of 2227172049 is 9402717222.

It can be written as a sum of positive squares in only one way, i.e., 1982030400 + 245141649 = 44520^2 + 15657^2 .

It is not a de Polignac number, because 2227172049 - 2¹⁶ = 2227106513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2227172069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123731772 + ... + 123731789.

It is an arithmetic number, because the mean of its divisors is an integer number (536171051).

Almost surely, 2^2227172049 is an apocalyptic number.

It is an amenable number.

2227172049 is a deficient number, since it is larger than the sum of its proper divisors (989854257).

2227172049 is a wasteful number, since it uses less digits than its factorization.

2227172049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247463567 (or 247463564 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 2227172049 is about 47192.9237174388. The cubic root of 2227172049 is about 1305.9240577326.

The spelling of 2227172049 in words is "two billion, two hundred twenty-seven million, one hundred seventy-two thousand, forty-nine".