1222954158 has 8 divisors (see below), whose sum is σ = 2445908328. Its totient is φ = 407651384.

The previous prime is 1222954153. The next prime is 1222954237. The reversal of 1222954158 is 8514592221.

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

1222954158 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222954153) 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, 101912841 + ... + 101912852.

It is an arithmetic number, because the mean of its divisors is an integer number (305738541).

Almost surely, 2^1222954158 is an apocalyptic number.

1222954158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1222954158 is a wasteful number, since it uses less digits than its factorization.

1222954158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203825698.

The product of its digits is 57600, while the sum is 39.

The square root of 1222954158 is about 34970.7614729791. The cubic root of 1222954158 is about 1069.3914955116.

The spelling of 1222954158 in words is "one billion, two hundred twenty-two million, nine hundred fifty-four thousand, one hundred fifty-eight".