2170422450 has 144 divisors (see below), whose sum is σ = 6713528640. Its totient is φ = 492428160.

The previous prime is 2170422427. The next prime is 2170422461. The reversal of 2170422450 is 542240712.

2170422450 is a `hidden beast` number, since 2 + 170 + 42 + 2 + 450 = 666.

It is a super-2 number, since 2×2170422450² = 9421467222928005000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 435372 + ... + 440328.

Almost surely, 2^2170422450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2170422450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3356764320).

2170422450 is an abundant number, since it is smaller than the sum of its proper divisors (4543106190).

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

2170422450 is a wasteful number, since it uses less digits than its factorization.

2170422450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121 (or 5113 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2170422450 is about 46587.7929290496. The cubic root of 2170422450 is about 1294.7365981375.

The spelling of 2170422450 in words is "two billion, one hundred seventy million, four hundred twenty-two thousand, four hundred fifty".