4021229950 has 12 divisors (see below), whose sum is σ = 7479487800. Its totient is φ = 1608491960.

The previous prime is 4021229897. The next prime is 4021229959. The reversal of 4021229950 is 599221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021229959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40212250 + ... + 40212349.

It is an arithmetic number, because the mean of its divisors is an integer number (623290650).

Almost surely, 2^4021229950 is an apocalyptic number.

4021229950 is a deficient number, since it is larger than the sum of its proper divisors (3458257850).

4021229950 is a wasteful number, since it uses less digits than its factorization.

4021229950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80424611 (or 80424606 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 4021229950 is about 63413.1685850818. The cubic root of 4021229950 is about 1590.2044685166.

The spelling of 4021229950 in words is "four billion, twenty-one million, two hundred twenty-nine thousand, nine hundred fifty".