1422021132 has 72 divisors (see below), whose sum is σ = 4169424896. Its totient is φ = 400222944.

The previous prime is 1422021109. The next prime is 1422021179. The reversal of 1422021132 is 2311202241.

It is a happy number.

1422021132 is a `hidden beast` number, since 1 + 422 + 0 + 211 + 32 = 666.

It is a super-2 number, since 2×1422021132² = 4044288199709122848, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25228 + ... + 58995.

Almost surely, 2^1422021132 is an apocalyptic number.

1422021132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1422021132 is an abundant number, since it is smaller than the sum of its proper divisors (2747403764).

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

1422021132 is a wasteful number, since it uses less digits than its factorization.

1422021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84307 (or 84302 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1422021132 is about 37709.6954641641. The cubic root of 1422021132 is about 1124.5238826764.

Adding to 1422021132 its reverse (2311202241), we get a palindrome (3733223373).

The spelling of 1422021132 in words is "one billion, four hundred twenty-two million, twenty-one thousand, one hundred thirty-two".