37220525 has 24 divisors (see below), whose sum is σ = 49044480. Its totient is φ = 27941760.

The previous prime is 37220503. The next prime is 37220527. The reversal of 37220525 is 52502273.

It is not a de Polignac number, because 37220525 - 2¹⁸ = 36958381 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 37220494 and 37220503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37220527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60017 + ... + 60633.

It is an arithmetic number, because the mean of its divisors is an integer number (2043520).

Almost surely, 2^37220525 is an apocalyptic number.

It is an amenable number.

37220525 is a deficient number, since it is larger than the sum of its proper divisors (11823955).

37220525 is a wasteful number, since it uses less digits than its factorization.

37220525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 37220525 is about 6100.8626439218. The cubic root of 37220525 is about 333.8828906845.

Adding to 37220525 its reverse (52502273), we get a palindrome (89722798).

The spelling of 37220525 in words is "thirty-seven million, two hundred twenty thousand, five hundred twenty-five".