1422202340 has 48 divisors (see below), whose sum is σ = 3327292080. Its totient is φ = 507010560.

The previous prime is 1422202273. The next prime is 1422202357. The reversal of 1422202340 is 432022241.

It can be written as a sum of positive squares in 8 ways, for example, as 7396 + 1422194944 = 86^2 + 37712^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86771 + ... + 101850.

It is an arithmetic number, because the mean of its divisors is an integer number (69318585).

Almost surely, 2^1422202340 is an apocalyptic number.

1422202340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422202340 is an abundant number, since it is smaller than the sum of its proper divisors (1905089740).

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

1422202340 is a wasteful number, since it uses less digits than its factorization.

1422202340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188672 (or 188670 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1422202340 is about 37712.0980588458. The cubic root of 1422202340 is about 1124.5716466334.

Adding to 1422202340 its reverse (432022241), we get a palindrome (1854224581).

The spelling of 1422202340 in words is "one billion, four hundred twenty-two million, two hundred two thousand, three hundred forty".