4227435990 has 24 divisors (see below), whose sum is σ = 10991333808. Its totient is φ = 1127316240.

The previous prime is 4227435983. The next prime is 4227435991. The reversal of 4227435990 is 995347224.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4227435991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23485666 + ... + 23485845.

It is an arithmetic number, because the mean of its divisors is an integer number (457972242).

Almost surely, 2^4227435990 is an apocalyptic number.

4227435990 is an abundant number, since it is smaller than the sum of its proper divisors (6763897818).

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

4227435990 is a wasteful number, since it uses less digits than its factorization.

4227435990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46971524 (or 46971521 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 4227435990 is about 65018.7356844164. The cubic root of 4227435990 is about 1616.9341994398.

The spelling of 4227435990 in words is "four billion, two hundred twenty-seven million, four hundred thirty-five thousand, nine hundred ninety".