1022236661 has 8 divisors (see below), whose sum is σ = 1027526784. Its totient is φ = 1016958240.

The previous prime is 1022236619. The next prime is 1022236667. The reversal of 1022236661 is 1666322201.

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 1022236661 - 2²² = 1018042357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022236667) 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, 210881 + ... + 215673.

It is an arithmetic number, because the mean of its divisors is an integer number (128440848).

Almost surely, 2^1022236661 is an apocalyptic number.

It is an amenable number.

1022236661 is a deficient number, since it is larger than the sum of its proper divisors (5290123).

1022236661 is an equidigital number, since it uses as much as digits as its factorization.

1022236661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1022236661 is about 31972.4359566174. The cubic root of 1022236661 is about 1007.3579481474.

Adding to 1022236661 its reverse (1666322201), we get a palindrome (2688558862).

The spelling of 1022236661 in words is "one billion, twenty-two million, two hundred thirty-six thousand, six hundred sixty-one".