1222744404 has 24 divisors (see below), whose sum is σ = 3260651968. Its totient is φ = 349355520.

The previous prime is 1222744403. The next prime is 1222744477. The reversal of 1222744404 is 4044472221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222744403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7278157 + ... + 7278324.

Almost surely, 2^1222744404 is an apocalyptic number.

1222744404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1222744404 is an abundant number, since it is smaller than the sum of its proper divisors (2037907564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222744404 is a wasteful number, since it uses less digits than its factorization.

1222744404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14556495 (or 14556493 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 30.

The square root of 1222744404 is about 34967.7623533448. The cubic root of 1222744404 is about 1069.3303534082.

The spelling of 1222744404 in words is "one billion, two hundred twenty-two million, seven hundred forty-four thousand, four hundred four".