2221021410 has 16 divisors (see below), whose sum is σ = 5330451456. Its totient is φ = 592272368.

The previous prime is 2221021399. The next prime is 2221021417. The reversal of 2221021410 is 141201222.

It is a super-2 number, since 2×2221021410² = 9865872207356776200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2221021410.

It is not an unprimeable number, because it can be changed into a prime (2221021417) 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 7 ways as a sum of consecutive naturals, for example, 37016994 + ... + 37017053.

It is an arithmetic number, because the mean of its divisors is an integer number (333153216).

Almost surely, 2^2221021410 is an apocalyptic number.

2221021410 is an abundant number, since it is smaller than the sum of its proper divisors (3109430046).

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

2221021410 is a wasteful number, since it uses less digits than its factorization.

2221021410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74034057.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2221021410 is about 47127.7138210629. The cubic root of 2221021410 is about 1304.7207869935.

Adding to 2221021410 its reverse (141201222), we get a palindrome (2362222632).

The spelling of 2221021410 in words is "two billion, two hundred twenty-one million, twenty-one thousand, four hundred ten".