1002203158 has 16 divisors (see below), whose sum is σ = 1647748800. Its totient is φ = 453385800.

The previous prime is 1002203143. The next prime is 1002203183. The reversal of 1002203158 is 8513022001.

It is a super-2 number, since 2×1002203158² = 2008822339810345928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 103308 + ... + 112591.

It is an arithmetic number, because the mean of its divisors is an integer number (102984300).

Almost surely, 2^1002203158 is an apocalyptic number.

1002203158 is a deficient number, since it is larger than the sum of its proper divisors (645545642).

1002203158 is a wasteful number, since it uses less digits than its factorization.

1002203158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216123.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1002203158 is about 31657.5924226717. The cubic root of 1002203158 is about 1000.7338473364.

Adding to 1002203158 its reverse (8513022001), we get a palindrome (9515225159).

The spelling of 1002203158 in words is "one billion, two million, two hundred three thousand, one hundred fifty-eight".