662211245 has 4 divisors (see below), whose sum is σ = 794653500. Its totient is φ = 529768992.

The previous prime is 662211241. The next prime is 662211271. The reversal of 662211245 is 542112266.

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 340439401 + 321771844 = 18451^2 + 17938^2 .

It is a cyclic number.

It is not a de Polignac number, because 662211245 - 2² = 662211241 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662211241) 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, 66221120 + ... + 66221129.

It is an arithmetic number, because the mean of its divisors is an integer number (198663375).

Almost surely, 2^662211245 is an apocalyptic number.

It is an amenable number.

662211245 is a deficient number, since it is larger than the sum of its proper divisors (132442255).

662211245 is a wasteful number, since it uses less digits than its factorization.

662211245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132442254.

The product of its digits is 5760, while the sum is 29.

The square root of 662211245 is about 25733.4654681409. The cubic root of 662211245 is about 871.6300285889.

The spelling of 662211245 in words is "six hundred sixty-two million, two hundred eleven thousand, two hundred forty-five".