4227748992 has 384 divisors, whose sum is σ = 13477464000. Its totient is φ = 1316818944.

The previous prime is 4227748951. The next prime is 4227748999. The reversal of 4227748992 is 2998477224.

It is a happy number.

4227748992 is a `hidden beast` number, since 4 + 2 + 2 + 77 + 489 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4227748999) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38786634 + ... + 38786742.

Almost surely, 2^4227748992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4227748992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6738732000).

4227748992 is an abundant number, since it is smaller than the sum of its proper divisors (9249715008).

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

4227748992 is a wasteful number, since it uses less digits than its factorization.

4227748992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 186 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 4227748992 is about 65021.1426537553. The cubic root of 4227748992 is about 1616.9741047274.

The spelling of 4227748992 in words is "four billion, two hundred twenty-seven million, seven hundred forty-eight thousand, nine hundred ninety-two".