52223430 has 32 divisors (see below), whose sum is σ = 143241984. Its totient is φ = 11936736.

The previous prime is 52223417. The next prime is 52223443. The reversal of 52223430 is 3432225.

It is an interprime number because it is at equal distance from previous prime (52223417) and next prime (52223443).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 52223397 and 52223406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124132 + ... + 124551.

It is an arithmetic number, because the mean of its divisors is an integer number (4476312).

Almost surely, 2^52223430 is an apocalyptic number.

52223430 is an abundant number, since it is smaller than the sum of its proper divisors (91018554).

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

52223430 is a wasteful number, since it uses less digits than its factorization.

52223430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248700.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 52223430 is about 7226.5780283617. The cubic root of 52223430 is about 373.7849383639.

Adding to 52223430 its reverse (3432225), we get a palindrome (55655655).

The spelling of 52223430 in words is "fifty-two million, two hundred twenty-three thousand, four hundred thirty".