226081407 has 4 divisors (see below), whose sum is σ = 301441880. Its totient is φ = 150720936.

The previous prime is 226081403. The next prime is 226081409. The reversal of 226081407 is 704180622.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 226081407 - 2² = 226081403 is a prime.

It is a super-2 number, since 2×226081407² = 102225605182199298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226081403) 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, 37680232 + ... + 37680237.

It is an arithmetic number, because the mean of its divisors is an integer number (75360470).

Almost surely, 2^226081407 is an apocalyptic number.

226081407 is a deficient number, since it is larger than the sum of its proper divisors (75360473).

226081407 is an equidigital number, since it uses as much as digits as its factorization.

226081407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75360472.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 226081407 is about 15036.0036911408. The cubic root of 226081407 is about 609.1930627296.

The spelling of 226081407 in words is "two hundred twenty-six million, eighty-one thousand, four hundred seven".