4022402 has 4 divisors (see below), whose sum is σ = 6033606. Its totient is φ = 2011200.

The previous prime is 4022383. The next prime is 4022407. The reversal of 4022402 is 2042204.

It is a happy number.

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., 2627641 + 1394761 = 1621^2 + 1181^2 .

It is not an unprimeable number, because it can be changed into a prime (4022407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005599 + ... + 1005602.

Almost surely, 2^4022402 is an apocalyptic number.

4022402 is a deficient number, since it is larger than the sum of its proper divisors (2011204).

4022402 is a wasteful number, since it uses less digits than its factorization.

4022402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011203.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4022402 is about 2005.5926804813. The cubic root of 4022402 is about 159.0358950116.

Adding to 4022402 its reverse (2042204), we get a palindrome (6064606).

The spelling of 4022402 in words is "four million, twenty-two thousand, four hundred two".