2197418490 has 64 divisors (see below), whose sum is σ = 5868126720. Its totient is φ = 585144000.

The previous prime is 2197418471. The next prime is 2197418491. The reversal of 2197418490 is 948147912.

It is a happy number.

2197418490 is a `hidden beast` number, since 2 + 197 + 418 + 49 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2197418491) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 197352 + ... + 208188.

It is an arithmetic number, because the mean of its divisors is an integer number (91689480).

Almost surely, 2^2197418490 is an apocalyptic number.

2197418490 is an abundant number, since it is smaller than the sum of its proper divisors (3670708230).

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

2197418490 is a wasteful number, since it uses less digits than its factorization.

2197418490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11604 (or 11598 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 2197418490 is about 46876.6305316412. The cubic root of 2197418490 is about 1300.0825371659.

The spelling of 2197418490 in words is "two billion, one hundred ninety-seven million, four hundred eighteen thousand, four hundred ninety".