2221541430 has 16 divisors (see below), whose sum is σ = 5331699504. Its totient is φ = 592411040.

The previous prime is 2221541423. The next prime is 2221541461. The reversal of 2221541430 is 341451222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221541430.

It is a congruent number.

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, 37025661 + ... + 37025720.

It is an arithmetic number, because the mean of its divisors is an integer number (333231219).

Almost surely, 2^2221541430 is an apocalyptic number.

2221541430 is an abundant number, since it is smaller than the sum of its proper divisors (3110158074).

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

2221541430 is a wasteful number, since it uses less digits than its factorization.

2221541430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74051391.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2221541430 is about 47133.2306340230. The cubic root of 2221541430 is about 1304.8226062068.

Adding to 2221541430 its reverse (341451222), we get a palindrome (2562992652).

The spelling of 2221541430 in words is "two billion, two hundred twenty-one million, five hundred forty-one thousand, four hundred thirty".