470227861 has 2 divisors, whose sum is σ = 470227862. Its totient is φ = 470227860.

The previous prime is 470227831. The next prime is 470227883. The reversal of 470227861 is 168722074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244296900 + 225930961 = 15630^2 + 15031^2 .

It is a cyclic number.

It is not a de Polignac number, because 470227861 - 2⁹ = 470227349 is a prime.

It is a super-2 number, since 2×470227861² = 442228482521270642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 470227861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470227831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235113930 + 235113931.

It is an arithmetic number, because the mean of its divisors is an integer number (235113931).

Almost surely, 2^470227861 is an apocalyptic number.

It is an amenable number.

470227861 is a deficient number, since it is larger than the sum of its proper divisors (1).

470227861 is an equidigital number, since it uses as much as digits as its factorization.

470227861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 470227861 is about 21684.7379739761. The cubic root of 470227861 is about 777.6236358703.

The spelling of 470227861 in words is "four hundred seventy million, two hundred twenty-seven thousand, eight hundred sixty-one".