52225404 has 96 divisors (see below), whose sum is σ = 157248000. Its totient is φ = 13090560.

The previous prime is 52225403. The next prime is 52225427. The reversal of 52225404 is 40452225.

52225404 = 235² + 236² + ... + 553².

It is a happy number.

It is a super-3 number, since 3×52225404³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52225403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25822 + ... + 27770.

It is an arithmetic number, because the mean of its divisors is an integer number (1638000).

Almost surely, 2^52225404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52225404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78624000).

52225404 is an abundant number, since it is smaller than the sum of its proper divisors (105022596).

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

52225404 is a wasteful number, since it uses less digits than its factorization.

52225404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003 (or 2001 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 52225404 is about 7226.7146062371. The cubic root of 52225404 is about 373.7896478858.

Adding to 52225404 its reverse (40452225), we get a palindrome (92677629).

It can be divided in two parts, 52 and 225404, that added together give a triangular number (225456 = T₆₇₁).

The spelling of 52225404 in words is "fifty-two million, two hundred twenty-five thousand, four hundred four".