222476761 has 8 divisors (see below), whose sum is σ = 239709960. Its totient is φ = 205260672.

The previous prime is 222476753. The next prime is 222476767. The reversal of 222476761 is 167674222.

It can be written as a sum of positive squares in 4 ways, for example, as 69806025 + 152670736 = 8355^2 + 12356^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 222476761 - 2³ = 222476753 is a prime.

It is a super-2 number, since 2×222476761² = 98991818370102242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222476761.

It is not an unprimeable number, because it can be changed into a prime (222476767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39051 + ... + 44383.

It is an arithmetic number, because the mean of its divisors is an integer number (29963745).

Almost surely, 2^222476761 is an apocalyptic number.

It is an amenable number.

222476761 is a deficient number, since it is larger than the sum of its proper divisors (17233199).

222476761 is a wasteful number, since it uses less digits than its factorization.

222476761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8555.

The product of its digits is 56448, while the sum is 37.

The square root of 222476761 is about 14915.6548967855. The cubic root of 222476761 is about 605.9380398625.

The spelling of 222476761 in words is "two hundred twenty-two million, four hundred seventy-six thousand, seven hundred sixty-one".