242255500 has 48 divisors (see below), whose sum is σ = 530738208. Its totient is φ = 96600000.

The previous prime is 242255477. The next prime is 242255501. The reversal of 242255500 is 5552242.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (242255501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229975 + ... + 231025.

It is an arithmetic number, because the mean of its divisors is an integer number (11057046).

Almost surely, 2^242255500 is an apocalyptic number.

242255500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242255500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265369104).

242255500 is an abundant number, since it is smaller than the sum of its proper divisors (288482708).

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

242255500 is a wasteful number, since it uses less digits than its factorization.

242255500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531 (or 1519 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 242255500 is about 15564.5591007262. The cubic root of 242255500 is about 623.3872017909.

The spelling of 242255500 in words is "two hundred forty-two million, two hundred fifty-five thousand, five hundred".