22219701 has 16 divisors (see below), whose sum is σ = 33925248. Its totient is φ = 12672000.

The previous prime is 22219657. The next prime is 22219709. The reversal of 22219701 is 10791222.

It is not a de Polignac number, because 22219701 - 2¹³ = 22211509 is a prime.

It is a super-2 number, since 2×22219701² = 987430225058802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22219709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17901 + ... + 19101.

It is an arithmetic number, because the mean of its divisors is an integer number (2120328).

Almost surely, 2^22219701 is an apocalyptic number.

22219701 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22219701 is a deficient number, since it is larger than the sum of its proper divisors (11705547).

22219701 is a wasteful number, since it uses less digits than its factorization.

22219701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 22219701 is about 4713.7777843254. Note that the first 4 decimals coincide. The cubic root of 22219701 is about 281.1335889592.

The spelling of 22219701 in words is "twenty-two million, two hundred nineteen thousand, seven hundred one".