226994040 has 384 divisors, whose sum is σ = 935625600. Its totient is φ = 46725120.

The previous prime is 226994039. The next prime is 226994077. The reversal of 226994040 is 40499622.

226994040 = 467² + 468² + ... + 921².

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 226993986 and 226994004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5536420 + ... + 5536460.

It is an arithmetic number, because the mean of its divisors is an integer number (2436525).

Almost surely, 2^226994040 is an apocalyptic number.

226994040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226994040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467812800).

226994040 is an abundant number, since it is smaller than the sum of its proper divisors (708631560).

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

226994040 is a wasteful number, since it uses less digits than its factorization.

226994040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 226994040 is about 15066.3213824742. The cubic root of 226994040 is about 610.0116812239.

The spelling of 226994040 in words is "two hundred twenty-six million, nine hundred ninety-four thousand, forty".