1002223870 has 16 divisors (see below), whose sum is σ = 1811749680. Its totient is φ = 399168064.

The previous prime is 1002223861. The next prime is 1002223889. The reversal of 1002223870 is 783222001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212740 + ... + 217399.

It is an arithmetic number, because the mean of its divisors is an integer number (113234355).

Almost surely, 2^1002223870 is an apocalyptic number.

1002223870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002223870 is a deficient number, since it is larger than the sum of its proper divisors (809525810).

1002223870 is a wasteful number, since it uses less digits than its factorization.

1002223870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430379.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1002223870 is about 31657.9195462999. The cubic root of 1002223870 is about 1000.7407411670.

Adding to 1002223870 its reverse (783222001), we get a palindrome (1785445871).

The spelling of 1002223870 in words is "one billion, two million, two hundred twenty-three thousand, eight hundred seventy".