1040002220 has 24 divisors (see below), whose sum is σ = 2190499584. Its totient is φ = 414763776.

The previous prime is 1040002219. The next prime is 1040002231. The reversal of 1040002220 is 222000401.

1040002220 is a modest number, since divided by 2220 gives 1040 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70412 + ... + 83891.

It is an arithmetic number, because the mean of its divisors is an integer number (91270816).

Almost surely, 2^1040002220 is an apocalyptic number.

1040002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040002220 is an abundant number, since it is smaller than the sum of its proper divisors (1150497364).

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

1040002220 is a wasteful number, since it uses less digits than its factorization.

1040002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154649 (or 154647 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1040002220 is about 32249.0654128147. The cubic root of 1040002220 is about 1013.1601247215.

Adding to 1040002220 its reverse (222000401), we get a palindrome (1262002621).

The spelling of 1040002220 in words is "one billion, forty million, two thousand, two hundred twenty".