2221631741 has 8 divisors (see below), whose sum is σ = 2543036544. Its totient is φ = 1901234160.

The previous prime is 2221631729. The next prime is 2221631777. The reversal of 2221631741 is 1471361222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221631741 - 2²² = 2217437437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221631141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247070 + ... + 255903.

It is an arithmetic number, because the mean of its divisors is an integer number (317879568).

Almost surely, 2^2221631741 is an apocalyptic number.

It is an amenable number.

2221631741 is a deficient number, since it is larger than the sum of its proper divisors (321404803).

2221631741 is an equidigital number, since it uses as much as digits as its factorization.

2221631741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503611.

The product of its digits is 4032, while the sum is 29.

The square root of 2221631741 is about 47134.1886638563. The cubic root of 2221631741 is about 1304.8402873592.

Adding to 2221631741 its reverse (1471361222), we get a palindrome (3692992963).

The spelling of 2221631741 in words is "two billion, two hundred twenty-one million, six hundred thirty-one thousand, seven hundred forty-one".