227390649 has 8 divisors (see below), whose sum is σ = 303257472. Its totient is φ = 151558800.

The previous prime is 227390629. The next prime is 227390663. The reversal of 227390649 is 946093722.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 227390649 - 2⁸ = 227390393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 227390649.

It is not an unprimeable number, because it can be changed into a prime (227390629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19087 + ... + 28619.

It is an arithmetic number, because the mean of its divisors is an integer number (37907184).

Almost surely, 2^227390649 is an apocalyptic number.

It is an amenable number.

227390649 is a deficient number, since it is larger than the sum of its proper divisors (75866823).

227390649 is an equidigital number, since it uses as much as digits as its factorization.

227390649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17487.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 227390649 is about 15079.4777429459. The cubic root of 227390649 is about 610.3667498036.

The spelling of 227390649 in words is "two hundred twenty-seven million, three hundred ninety thousand, six hundred forty-nine".