712226815 has 16 divisors (see below), whose sum is σ = 908197920. Its totient is φ = 534338560.

The previous prime is 712226813. The next prime is 712226831. The reversal of 712226815 is 518622217.

It is a happy number.

It is not a de Polignac number, because 712226815 - 2¹ = 712226813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712226813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8976 + ... + 38794.

It is an arithmetic number, because the mean of its divisors is an integer number (56762370).

Almost surely, 2^712226815 is an apocalyptic number.

712226815 is a deficient number, since it is larger than the sum of its proper divisors (195971105).

712226815 is a wasteful number, since it uses less digits than its factorization.

712226815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30122.

The product of its digits is 13440, while the sum is 34.

The square root of 712226815 is about 26687.5779155771. The cubic root of 712226815 is about 893.0438284470.

The spelling of 712226815 in words is "seven hundred twelve million, two hundred twenty-six thousand, eight hundred fifteen".