422233522000 has 80 divisors (see below), whose sum is σ = 1081017252432. Its totient is φ = 158958489600.

The previous prime is 422233521973. The next prime is 422233522003. The reversal of 422233522000 is 225332224.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 56421451024 + 365812070976 = 237532^2 + 604824^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×422233522000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422233522003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6175317 + ... + 6243316.

Almost surely, 2^422233522000 is an apocalyptic number.

422233522000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422233522000 is an abundant number, since it is smaller than the sum of its proper divisors (658783730432).

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

422233522000 is a wasteful number, since it uses less digits than its factorization.

422233522000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12418673 (or 12418657 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 422233522000 its reverse (225332224), we get a palindrome (422458854224).

The spelling of 422233522000 in words is "four hundred twenty-two billion, two hundred thirty-three million, five hundred twenty-two thousand".