1222311669 has 8 divisors (see below), whose sum is σ = 1631247072. Its totient is φ = 814125360.

The previous prime is 1222311659. The next prime is 1222311683. The reversal of 1222311669 is 9661132221.

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

It is not a de Polignac number, because 1222311669 - 2²⁵ = 1188757237 is a prime.

It is a super-2 number, since 2×1222311669² = 2988091632347131122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222311659) 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, 183454 + ... + 189999.

It is an arithmetic number, because the mean of its divisors is an integer number (203905884).

Almost surely, 2^1222311669 is an apocalyptic number.

It is an amenable number.

1222311669 is a deficient number, since it is larger than the sum of its proper divisors (408935403).

1222311669 is a wasteful number, since it uses less digits than its factorization.

1222311669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374547.

The product of its digits is 7776, while the sum is 33.

The square root of 1222311669 is about 34961.5741779457. The cubic root of 1222311669 is about 1069.2041915088.

The spelling of 1222311669 in words is "one billion, two hundred twenty-two million, three hundred eleven thousand, six hundred sixty-nine".