240622287 has 8 divisors (see below), whose sum is σ = 321447600. Its totient is φ = 160105920.

The previous prime is 240622273. The next prime is 240622303. The reversal of 240622287 is 782226042.

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

It is not a de Polignac number, because 240622287 - 2¹⁵ = 240589519 is a prime.

It is a super-2 number, since 2×240622287² = 115798170002220738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240622787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75412 + ... + 78537.

It is an arithmetic number, because the mean of its divisors is an integer number (40180950).

Almost surely, 2^240622287 is an apocalyptic number.

240622287 is a deficient number, since it is larger than the sum of its proper divisors (80825313).

240622287 is a wasteful number, since it uses less digits than its factorization.

240622287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154473.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 240622287 is about 15512.0046093340. The cubic root of 240622287 is about 621.9831460851.

The spelling of 240622287 in words is "two hundred forty million, six hundred twenty-two thousand, two hundred eighty-seven".