1201766222 has 8 divisors (see below), whose sum is σ = 1802805336. Its totient is φ = 600831112.

The previous prime is 1201766201. The next prime is 1201766231. The reversal of 1201766222 is 2226671021.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17333 + ... + 51999.

It is an arithmetic number, because the mean of its divisors is an integer number (225350667).

Almost surely, 2^1201766222 is an apocalyptic number.

It is a pronic number, being equal to 34666×34667.

1201766222 is a deficient number, since it is larger than the sum of its proper divisors (601039114).

1201766222 is a wasteful number, since it uses less digits than its factorization.

1201766222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52002.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1201766222 is about 34666.4999963942. The cubic root of 1201766222 is about 1063.1796721994.

The spelling of 1201766222 in words is "one billion, two hundred one million, seven hundred sixty-six thousand, two hundred twenty-two".