1322222451390 has 48 divisors (see below), whose sum is σ = 3439356570000. Its totient is φ = 352430787456.

The previous prime is 1322222451349. The next prime is 1322222451391. The reversal of 1322222451390 is 931542222231.

1322222451390 is a `hidden beast` number, since 1 + 3 + 2 + 2 + 22 + 245 + 1 + 390 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322222451391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3175015 + ... + 3567234.

It is an arithmetic number, because the mean of its divisors is an integer number (71653261875).

Almost surely, 2^{1322222451390} is an apocalyptic number.

1322222451390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1322222451390 is an abundant number, since it is smaller than the sum of its proper divisors (2117134118610).

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

1322222451390 is a wasteful number, since it uses less digits than its factorization.

1322222451390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744441 (or 6744438 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 1322222451390 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-two million, four hundred fifty-one thousand, three hundred ninety".