69445228 has 12 divisors (see below), whose sum is σ = 127925560. Its totient is φ = 32895072.

The previous prime is 69445223. The next prime is 69445231. The reversal of 69445228 is 82254496.

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

It is not an unprimeable number, because it can be changed into a prime (69445223) 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, 456801 + ... + 456952.

Almost surely, 2^69445228 is an apocalyptic number.

It is an amenable number.

69445228 is a deficient number, since it is larger than the sum of its proper divisors (58480332).

69445228 is a wasteful number, since it uses less digits than its factorization.

69445228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913776 (or 913774 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 69445228 is about 8333.3803465341. The cubic root of 69445228 is about 411.0368916473.

The spelling of 69445228 in words is "sixty-nine million, four hundred forty-five thousand, two hundred twenty-eight".