2213002421 has 16 divisors (see below), whose sum is σ = 2682418176. Its totient is φ = 1782279936.

The previous prime is 2213002411. The next prime is 2213002433. The reversal of 2213002421 is 1242003122.

It is a cyclic number.

It is not a de Polignac number, because 2213002421 - 2¹⁴ = 2212986037 is a prime.

It is a super-2 number, since 2×2213002421² = 9794759430703722482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2213002421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213002411) 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 15 ways as a sum of consecutive naturals, for example, 56915 + ... + 87551.

It is an arithmetic number, because the mean of its divisors is an integer number (167651136).

Almost surely, 2^2213002421 is an apocalyptic number.

It is an amenable number.

2213002421 is a deficient number, since it is larger than the sum of its proper divisors (469415755).

2213002421 is a wasteful number, since it uses less digits than its factorization.

2213002421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31268.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2213002421 is about 47042.5596773815. The cubic root of 2213002421 is about 1303.1486636805.

Adding to 2213002421 its reverse (1242003122), we get a palindrome (3455005543).

The spelling of 2213002421 in words is "two billion, two hundred thirteen million, two thousand, four hundred twenty-one".