1223402122 has 8 divisors (see below), whose sum is σ = 1835878500. Its totient is φ = 611442624.

The previous prime is 1223402119. The next prime is 1223402203. The reversal of 1223402122 is 2212043221.

It can be written as a sum of positive squares in 2 ways, for example, as 1181915641 + 41486481 = 34379^2 + 6441^2 .

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

It is a super-2 number, since 2×1223402122² = 2993425504228205768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1223402122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123247 + ... + 132802.

Almost surely, 2^1223402122 is an apocalyptic number.

1223402122 is a deficient number, since it is larger than the sum of its proper divisors (612476378).

1223402122 is a wasteful number, since it uses less digits than its factorization.

1223402122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258440.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1223402122 is about 34977.1657227969. The cubic root of 1223402122 is about 1069.5220510764.

Adding to 1223402122 its reverse (2212043221), we get a palindrome (3435445343).

The spelling of 1223402122 in words is "one billion, two hundred twenty-three million, four hundred two thousand, one hundred twenty-two".