84122450 has 12 divisors (see below), whose sum is σ = 156467850. Its totient is φ = 33648960.

The previous prime is 84122429. The next prime is 84122471. The reversal of 84122450 is 5422148.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84122429) and next prime (84122471).

It can be written as a sum of positive squares in 3 ways, for example, as 71893441 + 12229009 = 8479^2 + 3497^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 841175 + ... + 841274.

Almost surely, 2^84122450 is an apocalyptic number.

84122450 is a deficient number, since it is larger than the sum of its proper divisors (72345400).

84122450 is a wasteful number, since it uses less digits than its factorization.

84122450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682461 (or 1682456 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 84122450 is about 9171.8291523556. The cubic root of 84122450 is about 438.1646170634.

Adding to 84122450 its reverse (5422148), we get a palindrome (89544598).

The spelling of 84122450 in words is "eighty-four million, one hundred twenty-two thousand, four hundred fifty".