1222514864642 has 8 divisors (see below), whose sum is σ = 1838967120396. Its totient is φ = 609525824512.

The previous prime is 1222514864587. The next prime is 1222514864677. The reversal of 1222514864642 is 2464684152221.

It can be written as a sum of positive squares in 2 ways, for example, as 1217559971761 + 4954892881 = 1103431^2 + 70391^2 .

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

It is a super-3 number, since 3×1222514864642³ (a number of 37 digits) contains 333 as substring.

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, 865803023 + ... + 865804434.

Almost surely, 2^{1222514864642} is an apocalyptic number.

1222514864642 is a deficient number, since it is larger than the sum of its proper divisors (616452255754).

1222514864642 is a wasteful number, since it uses less digits than its factorization.

1222514864642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731607812.

The product of its digits is 1474560, while the sum is 47.

The spelling of 1222514864642 in words is "one trillion, two hundred twenty-two billion, five hundred fourteen million, eight hundred sixty-four thousand, six hundred forty-two".