2223178342 has 64 divisors (see below), whose sum is σ = 4313917440. Its totient is φ = 834163200.

The previous prime is 2223178339. The next prime is 2223178379. The reversal of 2223178342 is 2438713222.

It is a super-3 number, since 3×2223178342³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2223178298 and 2223178307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 496578 + ... + 501034.

It is an arithmetic number, because the mean of its divisors is an integer number (67404960).

Almost surely, 2^2223178342 is an apocalyptic number.

2223178342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2223178342 is a deficient number, since it is larger than the sum of its proper divisors (2090739098).

2223178342 is a wasteful number, since it uses less digits than its factorization.

2223178342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597.

The product of its digits is 32256, while the sum is 34.

The square root of 2223178342 is about 47150.5921701944. The cubic root of 2223178342 is about 1305.1430076737.

The spelling of 2223178342 in words is "two billion, two hundred twenty-three million, one hundred seventy-eight thousand, three hundred forty-two".