1244322402 has 32 divisors (see below), whose sum is σ = 2623646592. Its totient is φ = 392646144.

The previous prime is 1244322397. The next prime is 1244322403. The reversal of 1244322402 is 2042234421.

It is not an unprimeable number, because it can be changed into a prime (1244322403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33093 + ... + 59864.

It is an arithmetic number, because the mean of its divisors is an integer number (81988956).

Almost surely, 2^1244322402 is an apocalyptic number.

1244322402 is an abundant number, since it is smaller than the sum of its proper divisors (1379324190).

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

1244322402 is a wasteful number, since it uses less digits than its factorization.

1244322402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93082.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1244322402 is about 35274.9543160583. The cubic root of 1244322402 is about 1075.5839342759.

Adding to 1244322402 its reverse (2042234421), we get a palindrome (3286556823).

The spelling of 1244322402 in words is "one billion, two hundred forty-four million, three hundred twenty-two thousand, four hundred two".