1422255816 has 96 divisors (see below), whose sum is σ = 3994473600. Its totient is φ = 456624000.

The previous prime is 1422255799. The next prime is 1422255823. The reversal of 1422255816 is 6185522241.

It is a super-2 number, since 2×1422255816² = 4045623212291651712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1567635 + ... + 1568541.

It is an arithmetic number, because the mean of its divisors is an integer number (41609100).

Almost surely, 2^1422255816 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 1422255816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997236800).

1422255816 is an abundant number, since it is smaller than the sum of its proper divisors (2572217784).

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

1422255816 is a wasteful number, since it uses less digits than its factorization.

1422255816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699 (or 1692 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 1422255816 is about 37712.8070554288. The cubic root of 1422255816 is about 1124.5857414023.

The spelling of 1422255816 in words is "one billion, four hundred twenty-two million, two hundred fifty-five thousand, eight hundred sixteen".