2221240355 has 16 divisors (see below), whose sum is σ = 2763244800. Its totient is φ = 1712081280.

The previous prime is 2221240339. The next prime is 2221240457. The reversal of 2221240355 is 5530421222.

It is not a de Polignac number, because 2221240355 - 2⁴ = 2221240339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53465 + ... + 85445.

It is an arithmetic number, because the mean of its divisors is an integer number (172702800).

Almost surely, 2^2221240355 is an apocalyptic number.

2221240355 is a deficient number, since it is larger than the sum of its proper divisors (542004445).

2221240355 is a wasteful number, since it uses less digits than its factorization.

2221240355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32494.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2221240355 is about 47130.0366539217. The cubic root of 2221240355 is about 1304.7636580655.

Adding to 2221240355 its reverse (5530421222), we get a palindrome (7751661577).

The spelling of 2221240355 in words is "two billion, two hundred twenty-one million, two hundred forty thousand, three hundred fifty-five".