22473155 has 8 divisors (see below), whose sum is σ = 26994384. Its totient is φ = 17960800.

The previous prime is 22473149. The next prime is 22473161. The reversal of 22473155 is 55137422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22473149) and next prime (22473161).

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

It is not a de Polignac number, because 22473155 - 2¹² = 22469059 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, 6425 + ... + 9285.

It is an arithmetic number, because the mean of its divisors is an integer number (3374298).

Almost surely, 2^22473155 is an apocalyptic number.

22473155 is a deficient number, since it is larger than the sum of its proper divisors (4521229).

22473155 is a wasteful number, since it uses less digits than its factorization.

22473155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437.

The product of its digits is 8400, while the sum is 29.

The square root of 22473155 is about 4740.5859342491. The cubic root of 22473155 is about 282.1984879279.

The spelling of 22473155 in words is "twenty-two million, four hundred seventy-three thousand, one hundred fifty-five".