422069229450 has 216 divisors, whose sum is σ = 1276825301388. Its totient is φ = 99823680000.

The previous prime is 422069229433. The next prime is 422069229467. The reversal of 422069229450 is 54922960224.

422069229450 is a `hidden beast` number, since 4 + 220 + 6 + 92 + 294 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (422069229433) and next prime (422069229467).

It can be written as a sum of positive squares in 6 ways, for example, as 16133318289 + 405935911161 = 127017^2 + 637131^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 422069229396 and 422069229405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 2137920 + ... + 2326980.

Almost surely, 2^422069229450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422069229450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638412650694).

422069229450 is an abundant number, since it is smaller than the sum of its proper divisors (854756071938).

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

422069229450 is a wasteful number, since it uses less digits than its factorization.

422069229450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189142 (or 189123 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 422069229450 in words is "four hundred twenty-two billion, sixty-nine million, two hundred twenty-nine thousand, four hundred fifty".