1422157296 has 160 divisors (see below), whose sum is σ = 4439080960. Its totient is φ = 383263488.

The previous prime is 1422157291. The next prime is 1422157307. The reversal of 1422157296 is 6927512241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422157291) 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, 2342625 + ... + 2343231.

It is an arithmetic number, because the mean of its divisors is an integer number (27744256).

Almost surely, 2^1422157296 is an apocalyptic number.

1422157296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422157296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2219540480).

1422157296 is an abundant number, since it is smaller than the sum of its proper divisors (3016923664).

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

1422157296 is a wasteful number, since it uses less digits than its factorization.

1422157296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 1005 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 1422157296 is about 37711.5008452329. The cubic root of 1422157296 is about 1124.5597740284.

It can be divided in two parts, 14221 and 57296, that added together give a palindrome (71517).

The spelling of 1422157296 in words is "one billion, four hundred twenty-two million, one hundred fifty-seven thousand, two hundred ninety-six".