920226288 has 20 divisors (see below), whose sum is σ = 2377251368. Its totient is φ = 306742080.

The previous prime is 920226283. The next prime is 920226311. The reversal of 920226288 is 882622029.

It is a super-2 number, since 2×920226288² = 1693632842252517888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920226283) 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, 9585643 + ... + 9585738.

Almost surely, 2^920226288 is an apocalyptic number.

It is an amenable number.

920226288 is an abundant number, since it is smaller than the sum of its proper divisors (1457025080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

920226288 is a wasteful number, since it uses less digits than its factorization.

920226288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19171392 (or 19171386 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 920226288 is about 30335.2317940707. The cubic root of 920226288 is about 972.6685606893.

The spelling of 920226288 in words is "nine hundred twenty million, two hundred twenty-six thousand, two hundred eighty-eight".