1226218922 has 8 divisors (see below), whose sum is σ = 1936135200. Its totient is φ = 580840524.

The previous prime is 1226218879. The next prime is 1226218927. The reversal of 1226218922 is 2298126221.

It is a happy number.

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

It is a super-2 number, since 2×1226218922² = 3007225689341684168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1226218927) 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, 16134422 + ... + 16134497.

It is an arithmetic number, because the mean of its divisors is an integer number (242016900).

Almost surely, 2^1226218922 is an apocalyptic number.

1226218922 is a deficient number, since it is larger than the sum of its proper divisors (709916278).

1226218922 is a wasteful number, since it uses less digits than its factorization.

1226218922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32268940.

The product of its digits is 13824, while the sum is 35.

The square root of 1226218922 is about 35017.4088418889. The cubic root of 1226218922 is about 1070.3422557847.

The spelling of 1226218922 in words is "one billion, two hundred twenty-six million, two hundred eighteen thousand, nine hundred twenty-two".