27226307225 has 72 divisors (see below), whose sum is σ = 37855702080. Its totient is φ = 19308585600.

The previous prime is 27226307219. The next prime is 27226307233. The reversal of 27226307225 is 52270362272.

It is a happy number.

It is not a de Polignac number, because 27226307225 - 2⁴ = 27226307209 is a prime.

It is a super-2 number, since 2×27226307225² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 55905932 + ... + 55906418.

It is an arithmetic number, because the mean of its divisors is an integer number (525773640).

Almost surely, 2^27226307225 is an apocalyptic number.

27226307225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27226307225 is a deficient number, since it is larger than the sum of its proper divisors (10629394855).

27226307225 is a wasteful number, since it uses less digits than its factorization.

27226307225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

Adding to 27226307225 its reverse (52270362272), we get a palindrome (79496669497).

The spelling of 27226307225 in words is "twenty-seven billion, two hundred twenty-six million, three hundred seven thousand, two hundred twenty-five".