225702739 has 2 divisors, whose sum is σ = 225702740. Its totient is φ = 225702738.

The previous prime is 225702733. The next prime is 225702769. The reversal of 225702739 is 937207522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225702739 - 2¹¹ = 225700691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225702698 and 225702707.

It is not a weakly prime, because it can be changed into another prime (225702733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112851369 + 112851370.

It is an arithmetic number, because the mean of its divisors is an integer number (112851370).

Almost surely, 2^225702739 is an apocalyptic number.

225702739 is a deficient number, since it is larger than the sum of its proper divisors (1).

225702739 is an equidigital number, since it uses as much as digits as its factorization.

225702739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 225702739 is about 15023.4063713926. The cubic root of 225702739 is about 608.8527563581.

The spelling of 225702739 in words is "two hundred twenty-five million, seven hundred two thousand, seven hundred thirty-nine".