22722898836020 has 18 divisors (see below), whose sum is σ = 47718132323526. Its totient is φ = 9089151007200.

The previous prime is 22722898835993. The next prime is 22722898836037. The reversal of 22722898836020 is 2063889822722.

It can be written as a sum of positive squares in 3 ways, for example, as 13585445992336 + 9137452843684 = 3685844^2 + 3022822^2 .

It is a super-3 number, since 3×22722898836020³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20785070 + ... + 21850970.

It is an arithmetic number, because the mean of its divisors is an integer number (2651007351307).

Almost surely, 2^{22722898836020} is an apocalyptic number.

22722898836020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22722898836020 is an abundant number, since it is smaller than the sum of its proper divisors (24995233487506).

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

22722898836020 is an frugal number, since it uses more digits than its factorization.

22722898836020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131811 (or 1065908 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 22722898836020 in words is "twenty-two trillion, seven hundred twenty-two billion, eight hundred ninety-eight million, eight hundred thirty-six thousand, twenty".