1222774629 has 8 divisors (see below), whose sum is σ = 1632694752. Its totient is φ = 814018800.

The previous prime is 1222774627. The next prime is 1222774639. The reversal of 1222774629 is 9264772221.

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

It is not a de Polignac number, because 1222774629 - 2¹ = 1222774627 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222774627) 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, 288619 + ... + 292824.

It is an arithmetic number, because the mean of its divisors is an integer number (204086844).

Almost surely, 2^1222774629 is an apocalyptic number.

It is an amenable number.

1222774629 is a deficient number, since it is larger than the sum of its proper divisors (409920123).

1222774629 is an equidigital number, since it uses as much as digits as its factorization.

1222774629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582147.

The product of its digits is 169344, while the sum is 42.

The square root of 1222774629 is about 34968.1945344623. The cubic root of 1222774629 is about 1069.3391642557.

The spelling of 1222774629 in words is "one billion, two hundred twenty-two million, seven hundred seventy-four thousand, six hundred twenty-nine".