22219355 has 8 divisors (see below), whose sum is σ = 26790864. Its totient is φ = 17690400.

The previous prime is 22219339. The next prime is 22219363. The reversal of 22219355 is 55391222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22219355 - 2⁴ = 22219339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9476 + ... + 11585.

It is an arithmetic number, because the mean of its divisors is an integer number (3348858).

Almost surely, 2^22219355 is an apocalyptic number.

22219355 is a deficient number, since it is larger than the sum of its proper divisors (4571509).

22219355 is a wasteful number, since it uses less digits than its factorization.

22219355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21277.

The product of its digits is 5400, while the sum is 29.

The square root of 22219355 is about 4713.7410832586. The cubic root of 22219355 is about 281.1321297028.

It can be divided in two parts, 2 and 2219355, that multiplied together give a triangular number (4438710 = T₂₉₇₉).

The spelling of 22219355 in words is "twenty-two million, two hundred nineteen thousand, three hundred fifty-five".