2223131501 has 4 divisors (see below), whose sum is σ = 2226881052. Its totient is φ = 2219381952.

The previous prime is 2223131473. The next prime is 2223131507. The reversal of 2223131501 is 1051313222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 509585476 + 1713546025 = 22574^2 + 41395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2223131501 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 (2223131507) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1873886 + ... + 1875071.

It is an arithmetic number, because the mean of its divisors is an integer number (556720263).

Almost surely, 2^2223131501 is an apocalyptic number.

It is an amenable number.

2223131501 is a deficient number, since it is larger than the sum of its proper divisors (3749551).

2223131501 is an equidigital number, since it uses as much as digits as its factorization.

2223131501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749550.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2223131501 is about 47150.0954505927. The cubic root of 2223131501 is about 1305.1338414226.

Adding to 2223131501 its reverse (1051313222), we get a palindrome (3274444723).

The spelling of 2223131501 in words is "two billion, two hundred twenty-three million, one hundred thirty-one thousand, five hundred one".