1404221022 has 20 divisors (see below), whose sum is σ = 3146495616. Its totient is φ = 468073620.

The previous prime is 1404220991. The next prime is 1404221023. The reversal of 1404221022 is 2201224041.

1404221022 is a `hidden beast` number, since 140 + 422 + 102 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1404220986 and 1404221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404221023) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4333854 + ... + 4334177.

Almost surely, 2^1404221022 is an apocalyptic number.

1404221022 is an abundant number, since it is smaller than the sum of its proper divisors (1742274594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1404221022 is an equidigital number, since it uses as much as digits as its factorization.

1404221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8668045 (or 8668036 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1404221022 is about 37472.9371947276. The cubic root of 1404221022 is about 1119.8121023012.

Adding to 1404221022 its reverse (2201224041), we get a palindrome (3605445063).

The spelling of 1404221022 in words is "one billion, four hundred four million, two hundred twenty-one thousand, twenty-two".