2252047477 has 4 divisors (see below), whose sum is σ = 2384520876. Its totient is φ = 2119574080.

The previous prime is 2252047429. The next prime is 2252047487. The reversal of 2252047477 is 7747402522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1240871076 + 1011176401 = 35226^2 + 31799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2252047477 - 2³¹ = 104563829 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252047417) 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, 66236674 + ... + 66236707.

It is an arithmetic number, because the mean of its divisors is an integer number (596130219).

Almost surely, 2^2252047477 is an apocalyptic number.

It is an amenable number.

2252047477 is a deficient number, since it is larger than the sum of its proper divisors (132473399).

2252047477 is a wasteful number, since it uses less digits than its factorization.

2252047477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132473398.

The product of its (nonzero) digits is 219520, while the sum is 40.

The square root of 2252047477 is about 47455.7422974291. The cubic root of 2252047477 is about 1310.7680512459.

Adding to 2252047477 its reverse (7747402522), we get a palindrome (9999449999).

The spelling of 2252047477 in words is "two billion, two hundred fifty-two million, forty-seven thousand, four hundred seventy-seven".