52225340 has 24 divisors (see below), whose sum is σ = 109914000. Its totient is φ = 20844288.

The previous prime is 52225339. The next prime is 52225351. The reversal of 52225340 is 4352225.

It is a super-2 number, since 2×52225340² = 5454972276231200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7364 + ... + 12596.

It is an arithmetic number, because the mean of its divisors is an integer number (4579750).

Almost surely, 2^52225340 is an apocalyptic number.

It is an amenable number.

52225340 is an abundant number, since it is smaller than the sum of its proper divisors (57688660).

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

52225340 is a wasteful number, since it uses less digits than its factorization.

52225340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741 (or 5739 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 52225340 is about 7226.7101782208. The cubic root of 52225340 is about 373.7894951980.

Adding to 52225340 its reverse (4352225), we get a palindrome (56577565).

The spelling of 52225340 in words is "fifty-two million, two hundred twenty-five thousand, three hundred forty".