65225594 has 16 divisors (see below), whose sum is σ = 117700800. Its totient is φ = 26482464.

The previous prime is 65225579. The next prime is 65225599. The reversal of 65225594 is 49552256.

It is a super-2 number, since 2×65225594² = 8508756225305672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (65225599) 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, 122339 + ... + 122870.

It is an arithmetic number, because the mean of its divisors is an integer number (7356300).

Almost surely, 2^65225594 is an apocalyptic number.

65225594 is a deficient number, since it is larger than the sum of its proper divisors (52475206).

65225594 is a wasteful number, since it uses less digits than its factorization.

65225594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245237.

The product of its digits is 108000, while the sum is 38.

The square root of 65225594 is about 8076.2363759365. The cubic root of 65225594 is about 402.5371934304.

The spelling of 65225594 in words is "sixty-five million, two hundred twenty-five thousand, five hundred ninety-four".