1422261142500 has 240 divisors, whose sum is σ = 4534784654400. Its totient is φ = 343963200000.

The previous prime is 1422261142493. The next prime is 1422261142501. The reversal of 1422261142500 is 52411622241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1422261142501) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 34712026 + ... + 34752974.

It is an arithmetic number, because the mean of its divisors is an integer number (18894936060).

Almost surely, 2^{1422261142500} is an apocalyptic number.

1422261142500 is a gapful number since it is divisible by the number (10) 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 1422261142500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2267392327200).

1422261142500 is an abundant number, since it is smaller than the sum of its proper divisors (3112523511900).

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

1422261142500 is a wasteful number, since it uses less digits than its factorization.

1422261142500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41408 (or 41391 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 1422261142500 its reverse (52411622241), we get a palindrome (1474672764741).

The spelling of 1422261142500 in words is "one trillion, four hundred twenty-two billion, two hundred sixty-one million, one hundred forty-two thousand, five hundred".