2201213402 has 4 divisors (see below), whose sum is σ = 3301820106. Its totient is φ = 1100606700.

The previous prime is 2201213381. The next prime is 2201213411. The reversal of 2201213402 is 2043121022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2043121022 = 2 ⋅1021560511.

It can be written as a sum of positive squares in only one way, i.e., 1998179401 + 203034001 = 44701^2 + 14249^2 .

It is a super-2 number, since 2×2201213402² = 9690680882288827208, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 550303349 + ... + 550303352.

Almost surely, 2^2201213402 is an apocalyptic number.

2201213402 is a deficient number, since it is larger than the sum of its proper divisors (1100606704).

2201213402 is a wasteful number, since it uses less digits than its factorization.

2201213402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100606703.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2201213402 is about 46917.0907239569. The cubic root of 2201213402 is about 1300.8305150654.

Adding to 2201213402 its reverse (2043121022), we get a palindrome (4244334424).

The spelling of 2201213402 in words is "two billion, two hundred one million, two hundred thirteen thousand, four hundred two".