1222250154 has 8 divisors (see below), whose sum is σ = 2444500320. Its totient is φ = 407416716.

The previous prime is 1222250143. The next prime is 1222250171. The reversal of 1222250154 is 4510522221.

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

1222250154 is an admirable number.

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, 101854174 + ... + 101854185.

It is an arithmetic number, because the mean of its divisors is an integer number (305562540).

Almost surely, 2^1222250154 is an apocalyptic number.

1222250154 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.

1222250154 is a wasteful number, since it uses less digits than its factorization.

1222250154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203708364.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1222250154 is about 34960.6944153002. The cubic root of 1222250154 is about 1069.1862546762.

Adding to 1222250154 its reverse (4510522221), we get a palindrome (5732772375).

The spelling of 1222250154 in words is "one billion, two hundred twenty-two million, two hundred fifty thousand, one hundred fifty-four".