2221435542 has 32 divisors (see below), whose sum is σ = 4734692352. Its totient is φ = 693211904.

The previous prime is 2221435537. The next prime is 2221435553. The reversal of 2221435542 is 2455341222.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 164763 + ... + 177734.

It is an arithmetic number, because the mean of its divisors is an integer number (147959136).

Almost surely, 2^2221435542 is an apocalyptic number.

2221435542 is an abundant number, since it is smaller than the sum of its proper divisors (2513256810).

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

2221435542 is a wasteful number, since it uses less digits than its factorization.

2221435542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342572.

The product of its digits is 19200, while the sum is 30.

The square root of 2221435542 is about 47132.1073367190. The cubic root of 2221435542 is about 1304.8018747679.

Adding to 2221435542 its reverse (2455341222), we get a palindrome (4676776764).

The spelling of 2221435542 in words is "two billion, two hundred twenty-one million, four hundred thirty-five thousand, five hundred forty-two".