4021401622 has 16 divisors (see below), whose sum is σ = 6981096960. Its totient is φ = 1701641448.

The previous prime is 4021401619. The next prime is 4021401691. The reversal of 4021401622 is 2261041204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4021401593 and 4021401602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1816888 + ... + 1819099.

It is an arithmetic number, because the mean of its divisors is an integer number (436318560).

Almost surely, 2^4021401622 is an apocalyptic number.

4021401622 is a deficient number, since it is larger than the sum of its proper divisors (2959695338).

4021401622 is a wasteful number, since it uses less digits than its factorization.

4021401622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636075.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4021401622 is about 63414.5221696103. The cubic root of 4021401622 is about 1590.2270975546.

Adding to 4021401622 its reverse (2261041204), we get a palindrome (6282442826).

The spelling of 4021401622 in words is "four billion, twenty-one million, four hundred one thousand, six hundred twenty-two".