4220123002 has 4 divisors (see below), whose sum is σ = 6330184506. Its totient is φ = 2110061500.

The previous prime is 4220122999. The next prime is 4220123009. The reversal of 4220123002 is 2003210224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3973915521 + 246207481 = 63039^2 + 15691^2 .

It is not an unprimeable number, because it can be changed into a prime (4220123009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055030749 + ... + 1055030752.

Almost surely, 2^4220123002 is an apocalyptic number.

4220123002 is a deficient number, since it is larger than the sum of its proper divisors (2110061504).

4220123002 is a wasteful number, since it uses less digits than its factorization.

4220123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110061503.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4220123002 is about 64962.4737983399. The cubic root of 4220123002 is about 1616.0012899562.

Adding to 4220123002 its reverse (2003210224), we get a palindrome (6223333226).

The spelling of 4220123002 in words is "four billion, two hundred twenty million, one hundred twenty-three thousand, two".