461221802 has 8 divisors (see below), whose sum is σ = 691925412. Its totient is φ = 230580000.

The previous prime is 461221759. The next prime is 461221807. The reversal of 461221802 is 208122164.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 386554921 + 74666881 = 19661^2 + 8641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (461221807) 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, 16052 + ... + 34352.

Almost surely, 2^461221802 is an apocalyptic number.

461221802 is a deficient number, since it is larger than the sum of its proper divisors (230703610).

461221802 is a wasteful number, since it uses less digits than its factorization.

461221802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30904.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 461221802 is about 21476.0751069650. The cubic root of 461221802 is about 772.6271102057.

Adding to 461221802 its reverse (208122164), we get a palindrome (669343966).

The spelling of 461221802 in words is "four hundred sixty-one million, two hundred twenty-one thousand, eight hundred two".