1220332974 has 16 divisors (see below), whose sum is σ = 2789332608. Its totient is φ = 348666552.

The previous prime is 1220332973. The next prime is 1220333029. The reversal of 1220332974 is 4792330221.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220332973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14527732 + ... + 14527815.

It is an arithmetic number, because the mean of its divisors is an integer number (174333288).

Almost surely, 2^1220332974 is an apocalyptic number.

1220332974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1220332974 is an abundant number, since it is smaller than the sum of its proper divisors (1568999634).

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

1220332974 is a wasteful number, since it uses less digits than its factorization.

1220332974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29055559.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1220332974 is about 34933.2645769043. The cubic root of 1220332974 is about 1068.6269324042.

The spelling of 1220332974 in words is "one billion, two hundred twenty million, three hundred thirty-two thousand, nine hundred seventy-four".