1222202344 has 64 divisors (see below), whose sum is σ = 2554836480. Its totient is φ = 543456000.

The previous prime is 1222202329. The next prime is 1222202351. The reversal of 1222202344 is 4432022221.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196554 + ... + 1197574.

It is an arithmetic number, because the mean of its divisors is an integer number (39919320).

Almost surely, 2^1222202344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222202344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1277418240).

1222202344 is an abundant number, since it is smaller than the sum of its proper divisors (1332634136).

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

1222202344 is a wasteful number, since it uses less digits than its factorization.

1222202344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1222202344 is about 34960.0106407306. The cubic root of 1222202344 is about 1069.1723135963.

Adding to 1222202344 its reverse (4432022221), we get a palindrome (5654224565).

The spelling of 1222202344 in words is "one billion, two hundred twenty-two million, two hundred two thousand, three hundred forty-four".