4220631340 has 24 divisors (see below), whose sum is σ = 8970116400. Its totient is φ = 1667911488.

The previous prime is 4220631301. The next prime is 4220631343. The reversal of 4220631340 is 431360224.

It is not an unprimeable number, because it can be changed into a prime (4220631343) 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, 1269615 + ... + 1272934.

It is an arithmetic number, because the mean of its divisors is an integer number (373754850).

Almost surely, 2^4220631340 is an apocalyptic number.

It is an amenable number.

4220631340 is an abundant number, since it is smaller than the sum of its proper divisors (4749485060).

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

4220631340 is a wasteful number, since it uses less digits than its factorization.

4220631340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542641 (or 2542639 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 4220631340 is about 64966.3862316506. The cubic root of 4220631340 is about 1616.0661728899.

Adding to 4220631340 its reverse (431360224), we get a palindrome (4651991564).

The spelling of 4220631340 in words is "four billion, two hundred twenty million, six hundred thirty-one thousand, three hundred forty".