4220731000 has 32 divisors (see below), whose sum is σ = 9876512880. Its totient is φ = 1688292000.

The previous prime is 4220730991. The next prime is 4220731033. The reversal of 4220731000 is 1370224.

It is a super-2 number, since 2×4220731000² = 35629140348722000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109366 + ... + 2111365.

Almost surely, 2^4220731000 is an apocalyptic number.

4220731000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4220731000 is an abundant number, since it is smaller than the sum of its proper divisors (5655781880).

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

4220731000 is a wasteful number, since it uses less digits than its factorization.

4220731000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220752 (or 4220738 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 4220731000 is about 64967.1532391562. The cubic root of 4220731000 is about 1616.0788926210.

The spelling of 4220731000 in words is "four billion, two hundred twenty million, seven hundred thirty-one thousand".