1222774631 has 8 divisors (see below), whose sum is σ = 1352424864. Its totient is φ = 1098208800.

The previous prime is 1222774627. The next prime is 1222774639. The reversal of 1222774631 is 1364772221.

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

It is not a de Polignac number, because 1222774631 - 2² = 1222774627 is a prime.

It is a super-2 number, since 2×1222774631² = 2990355596434372322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222774591 and 1222774600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222774639) 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, 1270595 + ... + 1271556.

It is an arithmetic number, because the mean of its divisors is an integer number (169053108).

Almost surely, 2^1222774631 is an apocalyptic number.

1222774631 is a deficient number, since it is larger than the sum of its proper divisors (129650233).

1222774631 is a wasteful number, since it uses less digits than its factorization.

1222774631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542201.

The product of its digits is 28224, while the sum is 35.

The square root of 1222774631 is about 34968.1945630597. The cubic root of 1222774631 is about 1069.3391648387.

The spelling of 1222774631 in words is "one billion, two hundred twenty-two million, seven hundred seventy-four thousand, six hundred thirty-one".