247985022 has 8 divisors (see below), whose sum is σ = 495970056. Its totient is φ = 82661672.

The previous prime is 247985009. The next prime is 247985033. The reversal of 247985022 is 220589742.

It is a sphenic number, since it is the product of 3 distinct primes.

247985022 is an admirable number.

It is a super-2 number, since 2×247985022² = 122993142272680968, 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 3 ways as a sum of consecutive naturals, for example, 20665413 + ... + 20665424.

It is an arithmetic number, because the mean of its divisors is an integer number (61996257).

Almost surely, 2^247985022 is an apocalyptic number.

247985022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

247985022 is a wasteful number, since it uses less digits than its factorization.

247985022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41330842.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 247985022 is about 15747.5401888676. The cubic root of 247985022 is about 628.2634819442.

The spelling of 247985022 in words is "two hundred forty-seven million, nine hundred eighty-five thousand, twenty-two".