611442227 has 8 divisors (see below), whose sum is σ = 667900080. Its totient is φ = 555129760.

The previous prime is 611442199. The next prime is 611442253. The reversal of 611442227 is 722244116.

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 611442227 - 2¹⁶ = 611376691 is a prime.

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 611442227.

It is not an unprimeable number, because it can be changed into a prime (611442257) 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, 27452 + ... + 44457.

It is an arithmetic number, because the mean of its divisors is an integer number (83487510).

Almost surely, 2^611442227 is an apocalyptic number.

611442227 is a deficient number, since it is larger than the sum of its proper divisors (56457853).

611442227 is a wasteful number, since it uses less digits than its factorization.

611442227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72693.

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

The square root of 611442227 is about 24727.3578653280. The cubic root of 611442227 is about 848.7604664238.

The spelling of 611442227 in words is "six hundred eleven million, four hundred forty-two thousand, two hundred twenty-seven".