19022201400 has 192 divisors, whose sum is σ = 61560345600. Its totient is φ = 4853376000.

The previous prime is 19022201353. The next prime is 19022201437. The reversal of 19022201400 is 410222091.

It is a super-2 number, since 2×19022201400² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1649655 + ... + 1661145.

It is an arithmetic number, because the mean of its divisors is an integer number (320626800).

Almost surely, 2^19022201400 is an apocalyptic number.

19022201400 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 19022201400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30780172800).

19022201400 is an abundant number, since it is smaller than the sum of its proper divisors (42538144200).

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

19022201400 is a wasteful number, since it uses less digits than its factorization.

19022201400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11630 (or 11621 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 19022201400 its reverse (410222091), we get a palindrome (19432423491).

The spelling of 19022201400 in words is "nineteen billion, twenty-two million, two hundred one thousand, four hundred".