226385040 has 80 divisors (see below), whose sum is σ = 802055808. Its totient is φ = 51744768.

The previous prime is 226385023. The next prime is 226385053. The reversal of 226385040 is 40583622.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 226384989 and 226385007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65697 + ... + 69056.

Almost surely, 2^226385040 is an apocalyptic number.

226385040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226385040 is an abundant number, since it is smaller than the sum of its proper divisors (575670768).

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

226385040 is a wasteful number, since it uses less digits than its factorization.

226385040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134776 (or 134770 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 226385040 is about 15046.0971683689. The cubic root of 226385040 is about 609.4656612513.

The spelling of 226385040 in words is "two hundred twenty-six million, three hundred eighty-five thousand, forty".