22098415 has 4 divisors (see below), whose sum is σ = 26518104. Its totient is φ = 17678728.

The previous prime is 22098383. The next prime is 22098449. The reversal of 22098415 is 51489022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22098415 - 2⁵ = 22098383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209837 + ... + 2209846.

It is an arithmetic number, because the mean of its divisors is an integer number (6629526).

Almost surely, 2^22098415 is an apocalyptic number.

22098415 is a deficient number, since it is larger than the sum of its proper divisors (4419689).

22098415 is an equidigital number, since it uses as much as digits as its factorization.

22098415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419688.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 22098415 is about 4700.8951275262. The cubic root of 22098415 is about 280.6211338531.

The spelling of 22098415 in words is "twenty-two million, ninety-eight thousand, four hundred fifteen".