222001401420 has 72 divisors (see below), whose sum is σ = 673653402240. Its totient is φ = 59178470400.

The previous prime is 222001401383. The next prime is 222001401443. The reversal of 222001401420 is 24104100222.

222001401420 is a `hidden beast` number, since 2 + 2 + 200 + 1 + 40 + 1 + 420 = 666.

It is a super-3 number, since 3×222001401420³ (a number of 35 digits) contains 333 as substring.

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 = 222001401393 and 222001401402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262620 + ... + 716220.

Almost surely, 2^222001401420 is an apocalyptic number.

222001401420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001401420 is an abundant number, since it is smaller than the sum of its proper divisors (451652000820).

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

222001401420 is a wasteful number, since it uses less digits than its factorization.

222001401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456335 (or 456330 counting only the distinct ones).

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

Adding to 222001401420 its reverse (24104100222), we get a palindrome (246105501642).

The spelling of 222001401420 in words is "two hundred twenty-two billion, one million, four hundred one thousand, four hundred twenty".