220422402 has 48 divisors (see below), whose sum is σ = 487623552. Its totient is φ = 71940960.

The previous prime is 220422383. The next prime is 220422413. The reversal of 220422402 is 204224022.

220422402 is a `hidden beast` number, since 220 + 42 + 2 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 402693 + ... + 403239.

It is an arithmetic number, because the mean of its divisors is an integer number (10158824).

Almost surely, 2^220422402 is an apocalyptic number.

220422402 is an abundant number, since it is smaller than the sum of its proper divisors (267201150).

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

220422402 is a wasteful number, since it uses less digits than its factorization.

220422402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 220422402 is about 14846.6293144269. The cubic root of 220422402 is about 604.0671843896.

Adding to 220422402 its reverse (204224022), we get a palindrome (424646424).

It can be divided in two parts, 2 and 20422402, that multiplied together give a palindrome (40844804).

The spelling of 220422402 in words is "two hundred twenty million, four hundred twenty-two thousand, four hundred two".