1422222001020 has 144 divisors (see below), whose sum is σ = 4458894087648. Its totient is φ = 366658306560.

The previous prime is 1422222001003. The next prime is 1422222001033. The reversal of 1422222001020 is 201002222241.

1422222001020 is a `hidden beast` number, since 1 + 422 + 2 + 220 + 0 + 1 + 0 + 20 = 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 = 1422222000984 and 1422222001002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 365535 + ... + 1725705.

Almost surely, 2^{1422222001020} is an apocalyptic number.

1422222001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422222001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2229447043824).

1422222001020 is an abundant number, since it is smaller than the sum of its proper divisors (3036672086628).

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

1422222001020 is a wasteful number, since it uses less digits than its factorization.

1422222001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360380 (or 1360375 counting only the distinct ones).

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

Adding to 1422222001020 its reverse (201002222241), we get a palindrome (1623224223261).

The spelling of 1422222001020 in words is "one trillion, four hundred twenty-two billion, two hundred twenty-two million, one thousand, twenty".