1422423450 has 144 divisors (see below), whose sum is σ = 4559708160. Its totient is φ = 325110240.

The previous prime is 1422423421. The next prime is 1422423479. The reversal of 1422423450 is 543242241.

1422423450 is a `hidden beast` number, since 1 + 422 + 4 + 234 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1422423421) and next prime (1422423479).

It is a super-2 number, since 2×1422423450² = 4046576942219805000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 55399 + ... + 76901.

It is an arithmetic number, because the mean of its divisors is an integer number (31664640).

Almost surely, 2^1422423450 is an apocalyptic number.

1422423450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422423450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2279854080).

1422423450 is an abundant number, since it is smaller than the sum of its proper divisors (3137284710).

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

1422423450 is a wasteful number, since it uses less digits than its factorization.

1422423450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21538 (or 21520 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1422423450 is about 37715.0294975359. The cubic root of 1422423450 is about 1124.6299227181.

Adding to 1422423450 its reverse (543242241), we get a palindrome (1965665691).

The spelling of 1422423450 in words is "one billion, four hundred twenty-two million, four hundred twenty-three thousand, four hundred fifty".