4022012 has 6 divisors (see below), whose sum is σ = 7038528. Its totient is φ = 2011004.

The previous prime is 4022003. The next prime is 4022017. The reversal of 4022012 is 2102204.

It is a junction number, because it is equal to n+sod(n) for n = 4021984 and 4022002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502748 + ... + 502755.

It is an arithmetic number, because the mean of its divisors is an integer number (1173088).

Almost surely, 2^4022012 is an apocalyptic number.

It is an amenable number.

4022012 is a deficient number, since it is larger than the sum of its proper divisors (3016516).

4022012 is a wasteful number, since it uses less digits than its factorization.

4022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005507 (or 1005505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4022012 is about 2005.4954500073. The cubic root of 4022012 is about 159.0307549648.

Adding to 4022012 its reverse (2102204), we get a palindrome (6124216).

The spelling of 4022012 in words is "four million, twenty-two thousand, twelve".