22231054 has 4 divisors (see below), whose sum is σ = 33346584. Its totient is φ = 11115526.

The previous prime is 22231051. The next prime is 22231057. The reversal of 22231054 is 45013222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45013222 = 2 ⋅22506611.

It is an interprime number because it is at equal distance from previous prime (22231051) and next prime (22231057).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557762 + ... + 5557765.

It is an arithmetic number, because the mean of its divisors is an integer number (8336646).

Almost surely, 2^22231054 is an apocalyptic number.

22231054 is a deficient number, since it is larger than the sum of its proper divisors (11115530).

22231054 is a wasteful number, since it uses less digits than its factorization.

22231054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115529.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22231054 is about 4714.9818663490. The cubic root of 22231054 is about 281.1814618836.

Adding to 22231054 its reverse (45013222), we get a palindrome (67244276).

The spelling of 22231054 in words is "twenty-two million, two hundred thirty-one thousand, fifty-four".