2247477881 has 4 divisors (see below), whose sum is σ = 2451794064. Its totient is φ = 2043161700.

The previous prime is 2247477787. The next prime is 2247477899. The reversal of 2247477881 is 1887747422.

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 2247477881 - 2¹⁴ = 2247461497 is a prime.

It is a super-2 number, since 2×2247477881² = 10102313651168500322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2247477481) 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, 102158075 + ... + 102158096.

It is an arithmetic number, because the mean of its divisors is an integer number (612948516).

Almost surely, 2^2247477881 is an apocalyptic number.

It is an amenable number.

2247477881 is a deficient number, since it is larger than the sum of its proper divisors (204316183).

2247477881 is a wasteful number, since it uses less digits than its factorization.

2247477881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204316182.

The product of its digits is 1404928, while the sum is 50.

The square root of 2247477881 is about 47407.5719795899. The cubic root of 2247477881 is about 1309.8808976270.

The spelling of 2247477881 in words is "two billion, two hundred forty-seven million, four hundred seventy-seven thousand, eight hundred eighty-one".