2123402222 has 8 divisors (see below), whose sum is σ = 3188172000. Its totient is φ = 1060678224.

The previous prime is 2123402201. The next prime is 2123402233. The reversal of 2123402222 is 2222043212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2123402194 and 2123402203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508847 + ... + 513002.

It is an arithmetic number, because the mean of its divisors is an integer number (398521500).

Almost surely, 2^2123402222 is an apocalyptic number.

2123402222 is a deficient number, since it is larger than the sum of its proper divisors (1064769778).

2123402222 is a wasteful number, since it uses less digits than its factorization.

2123402222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022890.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2123402222 is about 46080.3886919371. The cubic root of 2123402222 is about 1285.3184920140.

Adding to 2123402222 its reverse (2222043212), we get a palindrome (4345445434).

The spelling of 2123402222 in words is "two billion, one hundred twenty-three million, four hundred two thousand, two hundred twenty-two".