1222344469 has 4 divisors (see below), whose sum is σ = 1255380844. Its totient is φ = 1189308096.

The previous prime is 1222344467. The next prime is 1222344479. The reversal of 1222344469 is 9644432221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1094948100 + 127396369 = 33090^2 + 11287^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222344469 - 2¹ = 1222344467 is a prime.

It is a super-2 number, since 2×1222344469² = 2988252001789783922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 33036337 = 1222344469 / (1 + 2 + 2 + 2 + 3 + 4 + 4 + 4 + 6 + 9).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222344467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16518132 + ... + 16518205.

It is an arithmetic number, because the mean of its divisors is an integer number (313845211).

Almost surely, 2^1222344469 is an apocalyptic number.

It is an amenable number.

1222344469 is a deficient number, since it is larger than the sum of its proper divisors (33036375).

1222344469 is an equidigital number, since it uses as much as digits as its factorization.

1222344469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33036374.

The product of its digits is 82944, while the sum is 37.

The square root of 1222344469 is about 34962.0432612283. The cubic root of 1222344469 is about 1069.2137552408.

The spelling of 1222344469 in words is "one billion, two hundred twenty-two million, three hundred forty-four thousand, four hundred sixty-nine".