1722250038 has 16 divisors (see below), whose sum is σ = 3446700480. Its totient is φ = 573716616.

The previous prime is 1722250037. The next prime is 1722250067. The reversal of 1722250038 is 8300522271.

It is a super-2 number, since 2×1722250038² = 5932290386782002888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1722249987 and 1722250014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1722250037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81420 + ... + 100367.

It is an arithmetic number, because the mean of its divisors is an integer number (215418780).

Almost surely, 2^1722250038 is an apocalyptic number.

1722250038 is an abundant number, since it is smaller than the sum of its proper divisors (1724450442).

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

1722250038 is a wasteful number, since it uses less digits than its factorization.

1722250038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183371.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1722250038 is about 41500.0004578313. Note that the first 3 decimals coincide. The cubic root of 1722250038 is about 1198.6675112201.

The spelling of 1722250038 in words is "one billion, seven hundred twenty-two million, two hundred fifty thousand, thirty-eight".