472122641 has 4 divisors (see below), whose sum is σ = 472232484. Its totient is φ = 472012800.

The previous prime is 472122611. The next prime is 472122643. The reversal of 472122641 is 146221274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146221274 = 2 ⋅73110637.

It can be written as a sum of positive squares in 2 ways, for example, as 391050625 + 81072016 = 19775^2 + 9004^2 .

It is a cyclic number.

It is not a de Polignac number, because 472122641 - 2⁶ = 472122577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472122643) 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, 48200 + ... + 57161.

It is an arithmetic number, because the mean of its divisors is an integer number (118058121).

Almost surely, 2^472122641 is an apocalyptic number.

It is an amenable number.

472122641 is a deficient number, since it is larger than the sum of its proper divisors (109843).

472122641 is a wasteful number, since it uses less digits than its factorization.

472122641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109842.

The product of its digits is 5376, while the sum is 29.

The square root of 472122641 is about 21728.3833038724. The cubic root of 472122641 is about 778.6667125006. Note that the first 3 decimals are identical.

The spelling of 472122641 in words is "four hundred seventy-two million, one hundred twenty-two thousand, six hundred forty-one".