22371401 has 16 divisors (see below), whose sum is σ = 24712464. Its totient is φ = 20127744.

The previous prime is 22371343. The next prime is 22371403. The reversal of 22371401 is 10417322.

It can be written as a sum of positive squares in 8 ways, for example, as 8271376 + 14100025 = 2876^2 + 3755^2 .

It is not a de Polignac number, because 22371401 - 2¹⁰ = 22370377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22371403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142415 + ... + 142571.

It is an arithmetic number, because the mean of its divisors is an integer number (1544529).

Almost surely, 2^22371401 is an apocalyptic number.

It is an amenable number.

22371401 is a deficient number, since it is larger than the sum of its proper divisors (2341063).

22371401 is a wasteful number, since it uses less digits than its factorization.

22371401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 22371401 is about 4729.8415406861. The cubic root of 22371401 is about 281.7719305140.

Adding to 22371401 its reverse (10417322), we get a palindrome (32788723).

The spelling of 22371401 in words is "twenty-two million, three hundred seventy-one thousand, four hundred one".