40196225 has 6 divisors (see below), whose sum is σ = 49843350. Its totient is φ = 32156960.

The previous prime is 40196201. The next prime is 40196231. The reversal of 40196225 is 52269104.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 14318656 + 25877569 = 3784^2 + 5087^2 .

It is not a de Polignac number, because 40196225 - 2¹² = 40192129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 803900 + ... + 803949.

It is an arithmetic number, because the mean of its divisors is an integer number (8307225).

Almost surely, 2^40196225 is an apocalyptic number.

It is an amenable number.

40196225 is a deficient number, since it is larger than the sum of its proper divisors (9647125).

40196225 is a wasteful number, since it uses less digits than its factorization.

40196225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607859 (or 1607854 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 40196225 is about 6340.0492900292. The cubic root of 40196225 is about 342.5535107399.

The spelling of 40196225 in words is "forty million, one hundred ninety-six thousand, two hundred twenty-five".