2243213402 has 16 divisors (see below), whose sum is σ = 3450929832. Its totient is φ = 1092967680.

The previous prime is 2243213389. The next prime is 2243213407. The reversal of 2243213402 is 2043123422.

It can be written as a sum of positive squares in 4 ways, for example, as 1748996041 + 494217361 = 41821^2 + 22231^2 .

It is not an unprimeable number, because it can be changed into a prime (2243213407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56318 + ... + 87510.

Almost surely, 2^2243213402 is an apocalyptic number.

2243213402 is a deficient number, since it is larger than the sum of its proper divisors (1207716430).

2243213402 is a wasteful number, since it uses less digits than its factorization.

2243213402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32113.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2243213402 is about 47362.5738532019. The cubic root of 2243213402 is about 1309.0518948317.

Adding to 2243213402 its reverse (2043123422), we get a palindrome (4286336824).

The spelling of 2243213402 in words is "two billion, two hundred forty-three million, two hundred thirteen thousand, four hundred two".