28554226 has 16 divisors (see below), whose sum is σ = 45597600. Its totient is φ = 13372128.

The previous prime is 28554223. The next prime is 28554257. The reversal of 28554226 is 62245582.

It is a junction number, because it is equal to n+sod(n) for n = 28554191 and 28554200.

It is not an unprimeable number, because it can be changed into a prime (28554223) 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, 840 + ... + 7603.

It is an arithmetic number, because the mean of its divisors is an integer number (2849850).

Almost surely, 2^28554226 is an apocalyptic number.

28554226 is a deficient number, since it is larger than the sum of its proper divisors (17043374).

28554226 is a wasteful number, since it uses less digits than its factorization.

28554226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553.

The product of its digits is 38400, while the sum is 34.

The square root of 28554226 is about 5343.6154427503. The cubic root of 28554226 is about 305.6493412948.

The spelling of 28554226 in words is "twenty-eight million, five hundred fifty-four thousand, two hundred twenty-six".