2210642338 has 4 divisors (see below), whose sum is σ = 3315963510. Its totient is φ = 1105321168.

The previous prime is 2210642327. The next prime is 2210642351. The reversal of 2210642338 is 8332460122.

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

It can be written as a sum of positive squares in only one way, i.e., 2182478089 + 28164249 = 46717^2 + 5307^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552660583 + ... + 552660586.

Almost surely, 2^2210642338 is an apocalyptic number.

2210642338 is a deficient number, since it is larger than the sum of its proper divisors (1105321172).

2210642338 is a wasteful number, since it uses less digits than its factorization.

2210642338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105321171.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2210642338 is about 47017.4684346148. The cubic root of 2210642338 is about 1302.6852460566.

The spelling of 2210642338 in words is "two billion, two hundred ten million, six hundred forty-two thousand, three hundred thirty-eight".