18968202 has 48 divisors (see below), whose sum is σ = 46347840. Its totient is φ = 5745960.

The previous prime is 18968197. The next prime is 18968207. The reversal of 18968202 is 20286981.

It is an interprime number because it is at equal distance from previous prime (18968197) and next prime (18968207).

It is a super-2 number, since 2×18968202² = 719585374225608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18968207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5083 + ... + 7985.

It is an arithmetic number, because the mean of its divisors is an integer number (965580).

Almost surely, 2^18968202 is an apocalyptic number.

18968202 is the 2178-th decagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18968202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23173920).

18968202 is an abundant number, since it is smaller than the sum of its proper divisors (27379638).

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

18968202 is a wasteful number, since it uses less digits than its factorization.

18968202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936 (or 2919 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 18968202 is about 4355.2499354228. The cubic root of 18968202 is about 266.6912223915.

The spelling of 18968202 in words is "eighteen million, nine hundred sixty-eight thousand, two hundred two".