37225420 has 24 divisors (see below), whose sum is σ = 80696448. Its totient is φ = 14409600.

The previous prime is 37225411. The next prime is 37225421. The reversal of 37225420 is 2452273.

It is not an unprimeable number, because it can be changed into a prime (37225421) 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, 29401 + ... + 30640.

It is an arithmetic number, because the mean of its divisors is an integer number (3362352).

Almost surely, 2^37225420 is an apocalyptic number.

It is an amenable number.

37225420 is an abundant number, since it is smaller than the sum of its proper divisors (43471028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

37225420 is a wasteful number, since it uses less digits than its factorization.

37225420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60081 (or 60079 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 37225420 is about 6101.2638035083. The cubic root of 37225420 is about 333.8975267408.

Adding to 37225420 its reverse (2452273), we get a palindrome (39677693).

The spelling of 37225420 in words is "thirty-seven million, two hundred twenty-five thousand, four hundred twenty".