2182202421 has 32 divisors (see below), whose sum is σ = 3510528000. Its totient is φ = 1177882560.

The previous prime is 2182202417. The next prime is 2182202423. The reversal of 2182202421 is 1242022812.

It is not a de Polignac number, because 2182202421 - 2² = 2182202417 is a prime.

It is a super-2 number, since 2×2182202421² = 9524014812436522482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2182202391 and 2182202400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182202423) 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 31 ways as a sum of consecutive naturals, for example, 131416 + ... + 147086.

It is an arithmetic number, because the mean of its divisors is an integer number (109704000).

Almost surely, 2^2182202421 is an apocalyptic number.

2182202421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2182202421 is a deficient number, since it is larger than the sum of its proper divisors (1328325579).

2182202421 is a wasteful number, since it uses less digits than its factorization.

2182202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16049.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 2182202421 is about 46714.0495033346. The cubic root of 2182202421 is about 1297.0747680080.

The spelling of 2182202421 in words is "two billion, one hundred eighty-two million, two hundred two thousand, four hundred twenty-one".