220224400242 has 64 divisors (see below), whose sum is σ = 551219226624. Its totient is φ = 56983616640.

The previous prime is 220224400237. The next prime is 220224400247. The reversal of 220224400242 is 242004422022.

It is an interprime number because it is at equal distance from previous prime (220224400237) and next prime (220224400247).

It is not an unprimeable number, because it can be changed into a prime (220224400247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 784723 + ... + 1027734.

It is an arithmetic number, because the mean of its divisors is an integer number (8612800416).

Almost surely, 2^220224400242 is an apocalyptic number.

220224400242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220224400242 is an abundant number, since it is smaller than the sum of its proper divisors (330994826382).

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

220224400242 is a wasteful number, since it uses less digits than its factorization.

220224400242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812743.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 220224400242 its reverse (242004422022), we get a palindrome (462228822264).

The spelling of 220224400242 in words is "two hundred twenty billion, two hundred twenty-four million, four hundred thousand, two hundred forty-two".