52207450251822 has 20 divisors (see below), whose sum is σ = 116983360749816. Its totient is φ = 17402483417220.

The previous prime is 52207450251731. The next prime is 52207450251823. The reversal of 52207450251822 is 22815205470225.

52207450251822 is a `hidden beast` number, since 5 + 2 + 2 + 0 + 74 + 502 + 51 + 8 + 22 = 666.

It is a super-2 number, since 2×52207450251822² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52207450251823) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 161134105554 + ... + 161134105877.

Almost surely, 2^{52207450251822} is an apocalyptic number.

52207450251822 is an abundant number, since it is smaller than the sum of its proper divisors (64775910497994).

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

52207450251822 is a wasteful number, since it uses less digits than its factorization.

52207450251822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322268211445 (or 322268211436 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 45.

The spelling of 52207450251822 in words is "fifty-two trillion, two hundred seven billion, four hundred fifty million, two hundred fifty-one thousand, eight hundred twenty-two".