4229972 has 6 divisors (see below), whose sum is σ = 7402458. Its totient is φ = 2114984.

The previous prime is 4229971. The next prime is 4229993. The reversal of 4229972 is 2799224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3865156 + 364816 = 1966^2 + 604^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4229971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528743 + ... + 528750.

It is an arithmetic number, because the mean of its divisors is an integer number (1233743).

Almost surely, 2^4229972 is an apocalyptic number.

It is an amenable number.

4229972 is a deficient number, since it is larger than the sum of its proper divisors (3172486).

4229972 is a wasteful number, since it uses less digits than its factorization.

4229972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057497 (or 1057495 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 4229972 is about 2056.6895730761. The cubic root of 4229972 is about 161.7257464071.

The spelling of 4229972 in words is "four million, two hundred twenty-nine thousand, nine hundred seventy-two".