45522231 has 8 divisors (see below), whose sum is σ = 60856320. Its totient is φ = 30268152.

The previous prime is 45522193. The next prime is 45522293. The reversal of 45522231 is 13222554.

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

It is not a de Polignac number, because 45522231 - 2¹⁴ = 45505847 is a prime.

It is a super-2 number, since 2×45522231² = 4144547030434722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45522031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18661 + ... + 20958.

It is an arithmetic number, because the mean of its divisors is an integer number (7607040).

Almost surely, 2^45522231 is an apocalyptic number.

45522231 is a deficient number, since it is larger than the sum of its proper divisors (15334089).

45522231 is a wasteful number, since it uses less digits than its factorization.

45522231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40005.

The product of its digits is 2400, while the sum is 24.

The square root of 45522231 is about 6747.0164517363. The cubic root of 45522231 is about 357.0599825458.

Adding to 45522231 its reverse (13222554), we get a palindrome (58744785).

It can be divided in two parts, 45522 and 231, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 45522231 in words is "forty-five million, five hundred twenty-two thousand, two hundred thirty-one".