42223400434 has 16 divisors (see below), whose sum is σ = 64703536128. Its totient is φ = 20655845152.

The previous prime is 42223400423. The next prime is 42223400477. The reversal of 42223400434 is 43400432224.

It is a happy number.

It is a super-2 number, since 2×42223400434² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226782 + ... + 368614.

It is an arithmetic number, because the mean of its divisors is an integer number (4043971008).

Almost surely, 2^42223400434 is an apocalyptic number.

42223400434 is a deficient number, since it is larger than the sum of its proper divisors (22480135694).

42223400434 is a wasteful number, since it uses less digits than its factorization.

42223400434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145049.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42223400434 its reverse (43400432224), we get a palindrome (85623832658).

The spelling of 42223400434 in words is "forty-two billion, two hundred twenty-three million, four hundred thousand, four hundred thirty-four".