52226778 has 16 divisors (see below), whose sum is σ = 104592096. Its totient is φ = 17385840.

The previous prime is 52226777. The next prime is 52226789. The reversal of 52226778 is 87762225.

It is a super-2 number, since 2×52226778² = 5455272680522568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52226777) 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, 501 + ... + 10232.

It is an arithmetic number, because the mean of its divisors is an integer number (6537006).

Almost surely, 2^52226778 is an apocalyptic number.

52226778 is an abundant number, since it is smaller than the sum of its proper divisors (52365318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52226778 is a wasteful number, since it uses less digits than its factorization.

52226778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11549.

The product of its digits is 94080, while the sum is 39.

The square root of 52226778 is about 7226.8096695568. The cubic root of 52226778 is about 373.7929258721.

The spelling of 52226778 in words is "fifty-two million, two hundred twenty-six thousand, seven hundred seventy-eight".