4200000022 has 4 divisors (see below), whose sum is σ = 6300000036. Its totient is φ = 2100000010.

The previous prime is 4199999929. The next prime is 4200000037. The reversal of 4200000022 is 2200000024.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 4199999954 and 4200000008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050000004 + ... + 1050000007.

It is an arithmetic number, because the mean of its divisors is an integer number (1575000009).

Almost surely, 2^4200000022 is an apocalyptic number.

4200000022 is a deficient number, since it is larger than the sum of its proper divisors (2100000014).

4200000022 is a wasteful number, since it uses less digits than its factorization.

4200000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100000013.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 4200000022 is about 64807.4071538123. The cubic root of 4200000022 is about 1613.4286488416.

Adding to 4200000022 its reverse (2200000024), we get a palindrome (6400000046).

The spelling of 4200000022 in words is "four billion, two hundred million, twenty-two", and thus it is an aban number.