1422449964 has 96 divisors (see below), whose sum is σ = 3982218240. Its totient is φ = 436497984.

The previous prime is 1422449947. The next prime is 1422449969. The reversal of 1422449964 is 4699442241.

1422449964 is a `hidden beast` number, since 142 + 2 + 449 + 9 + 64 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1422449969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620829 + ... + 623115.

It is an arithmetic number, because the mean of its divisors is an integer number (41481440).

Almost surely, 2^1422449964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422449964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1991109120).

1422449964 is an abundant number, since it is smaller than the sum of its proper divisors (2559768276).

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

1422449964 is a wasteful number, since it uses less digits than its factorization.

1422449964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756 (or 2748 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 1422449964 is about 37715.3810003293. The cubic root of 1422449964 is about 1124.6369103823.

The spelling of 1422449964 in words is "one billion, four hundred twenty-two million, four hundred forty-nine thousand, nine hundred sixty-four".