2221240354 has 16 divisors (see below), whose sum is σ = 3414451320. Its totient is φ = 1083111040.

The previous prime is 2221240339. The next prime is 2221240457. The reversal of 2221240354 is 4530421222.

It can be written as a sum of positive squares in 4 ways, for example, as 2216055625 + 5184729 = 47075^2 + 2277^2 .

It is an unprimeable number.

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, 365412 + ... + 371440.

Almost surely, 2^2221240354 is an apocalyptic number.

2221240354 is a deficient number, since it is larger than the sum of its proper divisors (1193210966).

2221240354 is a wasteful number, since it uses less digits than its factorization.

2221240354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10565.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2221240354 is about 47130.0366433127. The cubic root of 2221240354 is about 1304.7636578697.

Adding to 2221240354 its reverse (4530421222), we get a palindrome (6751661576).

The spelling of 2221240354 in words is "two billion, two hundred twenty-one million, two hundred forty thousand, three hundred fifty-four".