1222940148 has 48 divisors (see below), whose sum is σ = 2888524800. Its totient is φ = 402678400.

The previous prime is 1222940143. The next prime is 1222940161. The reversal of 1222940148 is 8410492221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222940143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339718 + ... + 343298.

It is an arithmetic number, because the mean of its divisors is an integer number (60177600).

Almost surely, 2^1222940148 is an apocalyptic number.

It is an amenable number.

1222940148 is an abundant number, since it is smaller than the sum of its proper divisors (1665584652).

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

1222940148 is a wasteful number, since it uses less digits than its factorization.

1222940148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928 (or 3926 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1222940148 is about 34970.5611622119. The cubic root of 1222940148 is about 1069.3874118939.

The spelling of 1222940148 in words is "one billion, two hundred twenty-two million, nine hundred forty thousand, one hundred forty-eight".