18223455246 has 16 divisors (see below), whose sum is σ = 36467722704. Its totient is φ = 6071016384.

The previous prime is 18223455221. The next prime is 18223455247. The reversal of 18223455246 is 64255432281.

It is a super-2 number, since 2×18223455246² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18223455198 and 18223455207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18223455247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855781 + ... + 876816.

It is an arithmetic number, because the mean of its divisors is an integer number (2279232669).

Almost surely, 2^18223455246 is an apocalyptic number.

18223455246 is an abundant number, since it is smaller than the sum of its proper divisors (18244267458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18223455246 is a wasteful number, since it uses less digits than its factorization.

18223455246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734355.

The product of its digits is 460800, while the sum is 42.

The spelling of 18223455246 in words is "eighteen billion, two hundred twenty-three million, four hundred fifty-five thousand, two hundred forty-six".