2221401124 has 6 divisors (see below), whose sum is σ = 3887451974. Its totient is φ = 1110700560.

The previous prime is 2221401109. The next prime is 2221401139. The reversal of 2221401124 is 4211041222.

It is an interprime number because it is at equal distance from previous prime (2221401109) and next prime (2221401139).

It can be written as a sum of positive squares in only one way, i.e., 1683625024 + 537776100 = 41032^2 + 23190^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277675137 + ... + 277675144.

Almost surely, 2^2221401124 is an apocalyptic number.

It is an amenable number.

2221401124 is a deficient number, since it is larger than the sum of its proper divisors (1666050850).

2221401124 is a wasteful number, since it uses less digits than its factorization.

2221401124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555350285 (or 555350283 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2221401124 is about 47131.7422126532. The cubic root of 2221401124 is about 1304.7951360469.

Adding to 2221401124 its reverse (4211041222), we get a palindrome (6432442346).

The spelling of 2221401124 in words is "two billion, two hundred twenty-one million, four hundred one thousand, one hundred twenty-four".