40574228 has 12 divisors (see below), whose sum is σ = 72005472. Its totient is φ = 20001240.

The previous prime is 40574221. The next prime is 40574249. The reversal of 40574228 is 82247504.

It is a junction number, because it is equal to n+sod(n) for n = 40574194 and 40574203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40574221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71150 + ... + 71717.

It is an arithmetic number, because the mean of its divisors is an integer number (6000456).

Almost surely, 2^40574228 is an apocalyptic number.

It is an amenable number.

40574228 is a deficient number, since it is larger than the sum of its proper divisors (31431244).

40574228 is a wasteful number, since it uses less digits than its factorization.

40574228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142942 (or 142940 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 40574228 is about 6369.7902634231. The cubic root of 40574228 is about 343.6239468177.

The spelling of 40574228 in words is "forty million, five hundred seventy-four thousand, two hundred twenty-eight".