Multipling 1422521363025 by its sum of digits (36), we get a square (51210769068900 = 71561702).
The square root of 1422521363025 is 1192695.
1422521363025 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 5 + 2 + 13 + 630 + 2 + 5 = 666.
It is an unprimeable number.
Almost surely, 21422521363025 is an apocalyptic number.
1422521363025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1422521363025 is the 1192695-th square number.
1422521363025 is the 596348-th centered octagonal number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1422521363025 is an equidigital number, since it uses as much as digits as its factorization.
1422521363025 is an odious number, because the sum of its binary digits is odd.
The spelling of 1422521363025 in words is "one trillion, four hundred twenty-two billion, five hundred twenty-one million, three hundred sixty-three thousand, twenty-five".