19022241 has 12 divisors (see below), whose sum is σ = 29504112. Its totient is φ = 10869768.

The previous prime is 19022209. The next prime is 19022257. The reversal of 19022241 is 14222091.

It is not a de Polignac number, because 19022241 - 2⁵ = 19022209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (19022291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64555 + ... + 64848.

It is an arithmetic number, because the mean of its divisors is an integer number (2458676).

Almost surely, 2^19022241 is an apocalyptic number.

It is an amenable number.

19022241 is a deficient number, since it is larger than the sum of its proper divisors (10481871).

19022241 is a wasteful number, since it uses less digits than its factorization.

19022241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129420 (or 129413 counting only the distinct ones).

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

The square root of 19022241 is about 4361.4494150454. The cubic root of 19022241 is about 266.9442434318.

It can be divided in two parts, 1902224 and 1, that added together give a triangular number (1902225 = T₁₉₅₀).

The spelling of 19022241 in words is "nineteen million, twenty-two thousand, two hundred forty-one".