2212200442 has 4 divisors (see below), whose sum is σ = 3318300666. Its totient is φ = 1106100220.

The previous prime is 2212200433. The next prime is 2212200461. The reversal of 2212200442 is 2440022122.

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., 2023110441 + 189090001 = 44979^2 + 13751^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553050109 + ... + 553050112.

Almost surely, 2^2212200442 is an apocalyptic number.

2212200442 is a deficient number, since it is larger than the sum of its proper divisors (1106100224).

2212200442 is a wasteful number, since it uses less digits than its factorization.

2212200442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106100223.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2212200442 is about 47034.0349321638. The cubic root of 2212200442 is about 1302.9912268693.

Adding to 2212200442 its reverse (2440022122), we get a palindrome (4652222564).

The spelling of 2212200442 in words is "two billion, two hundred twelve million, two hundred thousand, four hundred forty-two".