2212330402 has 4 divisors (see below), whose sum is σ = 3318495606. Its totient is φ = 1106165200.

The previous prime is 2212330397. The next prime is 2212330409. The reversal of 2212330402 is 2040332122.

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., 2209094001 + 3236401 = 47001^2 + 1799^2 .

It is a super-2 number, since 2×2212330402² = 9788811615226963208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2212330402.

It is not an unprimeable number, because it can be changed into a prime (2212330409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553082599 + ... + 553082602.

Almost surely, 2^2212330402 is an apocalyptic number.

2212330402 is a deficient number, since it is larger than the sum of its proper divisors (1106165204).

2212330402 is a wasteful number, since it uses less digits than its factorization.

2212330402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106165203.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2212330402 is about 47035.4164646174. The cubic root of 2212330402 is about 1303.0167419508.

Adding to 2212330402 its reverse (2040332122), we get a palindrome (4252662524).

It can be divided in two parts, 22123 and 30402, that added together give a palindrome (52525).

The spelling of 2212330402 in words is "two billion, two hundred twelve million, three hundred thirty thousand, four hundred two".