2221401052 has 36 divisors (see below), whose sum is σ = 4212114088. Its totient is φ = 1019023200.

The previous prime is 2221401041. The next prime is 2221401097. The reversal of 2221401052 is 2501041222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1896427 + ... + 1897597.

Almost surely, 2^2221401052 is an apocalyptic number.

It is an amenable number.

2221401052 is a deficient number, since it is larger than the sum of its proper divisors (1990713036).

2221401052 is a wasteful number, since it uses less digits than its factorization.

2221401052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1377 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2221401052 is about 47131.7414488368. The cubic root of 2221401052 is about 1304.7951219499.

Adding to 2221401052 its reverse (2501041222), we get a palindrome (4722442274).

The spelling of 2221401052 in words is "two billion, two hundred twenty-one million, four hundred one thousand, fifty-two".