427561222 has 8 divisors (see below), whose sum is σ = 699645672. Its totient is φ = 194346000.

The previous prime is 427561217. The next prime is 427561223. The reversal of 427561222 is 222165724.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427561223) 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, 9717279 + ... + 9717322.

It is an arithmetic number, because the mean of its divisors is an integer number (87455709).

Almost surely, 2^427561222 is an apocalyptic number.

427561222 is a deficient number, since it is larger than the sum of its proper divisors (272084450).

427561222 is a wasteful number, since it uses less digits than its factorization.

427561222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19434614.

The product of its digits is 13440, while the sum is 31.

The square root of 427561222 is about 20677.5535786998. The cubic root of 427561222 is about 753.3545863340.

The spelling of 427561222 in words is "four hundred twenty-seven million, five hundred sixty-one thousand, two hundred twenty-two".