28226454434 has 16 divisors (see below), whose sum is σ = 42556464288. Its totient is φ = 14041101312.

The previous prime is 28226454419. The next prime is 28226454437. The reversal of 28226454434 is 43445462282.

It is not an unprimeable number, because it can be changed into a prime (28226454437) 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, 391877 + ... + 458279.

It is an arithmetic number, because the mean of its divisors is an integer number (2659779018).

Almost surely, 2^28226454434 is an apocalyptic number.

28226454434 is a deficient number, since it is larger than the sum of its proper divisors (14330009854).

28226454434 is a wasteful number, since it uses less digits than its factorization.

28226454434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67489.

The product of its digits is 1474560, while the sum is 44.

The spelling of 28226454434 in words is "twenty-eight billion, two hundred twenty-six million, four hundred fifty-four thousand, four hundred thirty-four".