2229446542 has 24 divisors (see below), whose sum is σ = 3455785080. Its totient is φ = 1078615440.

The previous prime is 2229446539. The next prime is 2229446563. The reversal of 2229446542 is 2456449222.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2229446495 and 2229446504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400317 + ... + 405847.

It is an arithmetic number, because the mean of its divisors is an integer number (143991045).

Almost surely, 2^2229446542 is an apocalyptic number.

2229446542 is a deficient number, since it is larger than the sum of its proper divisors (1226338538).

2229446542 is a wasteful number, since it uses less digits than its factorization.

2229446542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728 (or 5685 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The square root of 2229446542 is about 47217.0153864049. The cubic root of 2229446542 is about 1306.3684635372.

The spelling of 2229446542 in words is "two billion, two hundred twenty-nine million, four hundred forty-six thousand, five hundred forty-two".